Fix some config verbiage

Marlin/Configuration.h

@@ -1610,17 +1610,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1636,10 +1636,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1659,18 +1659,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/default/Configuration.h

@@ -1610,17 +1610,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1636,10 +1636,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1659,18 +1659,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/AlephObjects/TAZ4/Configuration.h

@@ -1630,17 +1630,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1656,10 +1656,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1679,18 +1679,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/AliExpress/CL-260/Configuration.h

@@ -1610,17 +1610,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1636,10 +1636,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1659,18 +1659,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/Anet/A6/Configuration.h

@@ -1769,17 +1769,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1795,10 +1795,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1818,18 +1818,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/Anet/A8/Configuration.h

@@ -1618,17 +1618,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1644,10 +1644,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1667,18 +1667,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/BQ/Hephestos/Configuration.h

@@ -1601,17 +1601,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1627,10 +1627,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1650,18 +1650,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/BQ/Hephestos_2/Configuration.h

@@ -1611,17 +1611,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1637,10 +1637,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1660,18 +1660,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/BQ/WITBOX/Configuration.h

@@ -1601,17 +1601,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1627,10 +1627,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1650,18 +1650,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/Cartesio/Configuration.h

@@ -1609,17 +1609,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1635,10 +1635,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1658,18 +1658,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/Creality/CR-10/Configuration.h

@@ -1620,17 +1620,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1646,10 +1646,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1669,18 +1669,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/Felix/Configuration.h

@@ -1592,17 +1592,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1618,10 +1618,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1641,18 +1641,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/Felix/DUAL/Configuration.h

@@ -1592,17 +1592,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1618,10 +1618,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1641,18 +1641,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/Folger Tech/i3-2020/Configuration.h

@@ -1607,17 +1607,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1633,10 +1633,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1656,18 +1656,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 #define NUM_SERVOS 1 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/Geeetech/GT2560/Configuration.h

@@ -1625,17 +1625,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1651,10 +1651,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1674,18 +1674,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/Geeetech/I3_Pro_X-GT2560/Configuration.h

@@ -1610,17 +1610,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1636,10 +1636,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1659,18 +1659,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 #define NUM_SERVOS 1 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/Infitary/i3-M508/Configuration.h

@@ -1614,17 +1614,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1640,10 +1640,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1663,18 +1663,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/Malyan/M150/Configuration.h

@@ -1638,17 +1638,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1664,10 +1664,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1687,18 +1687,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/Micromake/C1/basic/Configuration.h

@@ -1614,17 +1614,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1640,10 +1640,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1663,18 +1663,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/Micromake/C1/enhanced/Configuration.h

@@ -1614,17 +1614,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  The Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle such current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 //#define RGB_LED
@@ -1640,10 +1640,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRBW // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequent display for temperature change - LED by LED. Comment out for change all LED at time
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 127  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1663,18 +1663,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/Mks/Sbase/Configuration.h

@@ -1586,14 +1586,20 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
+ * LED Type. Enable only one of the following two options.
+ *
  */
+
 //#define RGB_LED
 //#define RGBW_LED
 #if ENABLED(RGB_LED) || ENABLED(RGBW_LED)
@@ -1604,11 +1610,14 @@
 #endif
 
 // Support for Adafruit Neopixel LED driver
-//#define NEOPIXEL_RGBW_LED
-#if ENABLED(NEOPIXEL_RGBW_LED)
-  #define NEOPIXEL_PIN    4       // D4 (EXP2-5 on Printrboard)
-  #define NEOPIXEL_PIXELS 3
-  //#define NEOPIXEL_STARTUP_TEST // Cycle through colors at startup
+//#define NEOPIXEL_LED
+#if ENABLED(NEOPIXEL_LED)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
+  #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
+  //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
 
 /**
@@ -1626,18 +1635,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/RepRapWorld/Megatronics/Configuration.h

@@ -1610,17 +1610,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1636,10 +1636,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1659,18 +1659,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/RigidBot/Configuration.h

@@ -1610,17 +1610,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1636,10 +1636,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1659,18 +1659,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/SCARA/Configuration.h

@@ -1622,17 +1622,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1648,10 +1648,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1671,18 +1671,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/Sanguinololu/Configuration.h

@@ -1641,17 +1641,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1667,10 +1667,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1690,18 +1690,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/TinyBoy2/Configuration.h

@@ -1666,17 +1666,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1692,10 +1692,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1715,18 +1715,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/Velleman/K8200/Configuration.h

@@ -1645,17 +1645,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1671,10 +1671,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1694,18 +1694,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/Velleman/K8400/Configuration.h

@@ -1610,17 +1610,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1636,10 +1636,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1659,18 +1659,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/Velleman/K8400/Dual-head/Configuration.h

@@ -1610,17 +1610,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1636,10 +1636,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1659,18 +1659,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/adafruit/ST7565/Configuration.h

@@ -1610,17 +1610,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1636,10 +1636,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1659,18 +1659,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/delta/FLSUN/auto_calibrate/Configuration.h

@@ -1738,17 +1738,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1764,10 +1764,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1787,18 +1787,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/delta/FLSUN/kossel_mini/Configuration.h

@@ -1731,17 +1731,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1757,10 +1757,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1780,18 +1780,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/delta/generic/Configuration.h

@@ -1726,17 +1726,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1752,10 +1752,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1775,18 +1775,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/delta/kossel_mini/Configuration.h

@@ -1729,17 +1729,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1755,10 +1755,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1778,18 +1778,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/delta/kossel_pro/Configuration.h

@@ -1729,17 +1729,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1755,10 +1755,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1778,18 +1778,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/delta/kossel_xl/Configuration.h

@@ -1738,17 +1738,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1764,10 +1764,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1787,18 +1787,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/gCreate/gMax1.5+/Configuration.h

@@ -1624,17 +1624,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1650,10 +1650,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1673,18 +1673,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 #define NUM_SERVOS 2 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/makibox/Configuration.h

@@ -1613,17 +1613,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1639,10 +1639,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1662,18 +1662,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/stm32f103ret6/Configuration.h

@@ -1585,10 +1585,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1608,18 +1608,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/tvrrug/Round2/Configuration.h

@@ -1605,17 +1605,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1631,10 +1631,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1654,18 +1654,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.

Marlin/src/config/examples/wt150/Configuration.h

@@ -1615,17 +1615,17 @@
  * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
- * For Neopixel LED overall brightness parameters is also available
+ * For Neopixel LED an overall brightness parameter is also available.
  *
  * *** CAUTION ***
  *  LED Strips require a MOFSET Chip between PWM lines and LEDs,
  *  as the Arduino cannot handle the current the LEDs will require.
  *  Failure to follow this precaution can destroy your Arduino!
- *  Neopixel LED is 5V powered, but linear 5V regulator on Arduino
- *  cannot handle the current, separate 5V power supply must be used
+ *  NOTE: A separate 5V power supply is required! The Neopixel LED needs
+ *  more current than the Arduino 5V linear regulator can produce. 
  * *** CAUTION ***
  *
- * LED type. This options are mutualy exclusive. Uncomment only one.
+ * LED Type. Enable only one of the following two options.
  *
  */
 
@@ -1641,10 +1641,10 @@
 // Support for Adafruit Neopixel LED driver
 //#define NEOPIXEL_LED
 #if ENABLED(NEOPIXEL_LED)
-  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (definned in Adafruit_NeoPixel.h)
+  #define NEOPIXEL_TYPE   NEO_GRB  // NEO_GRBW / NEO_GRB - four/three channel driver type (defined in Adafruit_NeoPixel.h)
   #define NEOPIXEL_PIN    4        // LED driving pin on motherboard 4 => D4 (EXP2-5 on Printrboard) / 30 => PC7 (EXP3-13 on Rumba)
-  #define NEOPIXEL_PIXELS 30       // Number of LEDs on strip
-  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Comment out for all LEDs to change at once.
+  #define NEOPIXEL_PIXELS 30       // Number of LEDs in the strip
+  #define NEOPIXEL_IS_SEQUENTIAL   // Sequential display for temperature change - LED by LED. Disable to change all LEDs at once.
   #define NEOPIXEL_BRIGHTNESS 255  // Initial brightness 0-255
   //#define NEOPIXEL_STARTUP_TEST  // Cycle through colors at startup
 #endif
@@ -1664,18 +1664,18 @@
   #define PRINTER_EVENT_LEDS
 #endif
 
-/*********************************************************************\
-* R/C SERVO support
-* Sponsored by TrinityLabs, Reworked by codexmas
-**********************************************************************/
+/**
+ * R/C SERVO support
+ * Sponsored by TrinityLabs, Reworked by codexmas
+ */
 
-// Number of servos
-//
-// If you select a configuration below, this will receive a default value and does not need to be set manually
-// set it manually if you have more servos than extruders and wish to manually control some
-// leaving it undefined or defining as 0 will disable the servo subsystem
-// If unsure, leave commented / disabled
-//
+/**
+ * Number of servos
+ *
+ * For some servo-related options NUM_SERVOS will be set automatically.
+ * Set this manually if there are extra servos needing manual control.
+ * Leave undefined or set to 0 to entirely disable the servo subsystem.
+ */
 //#define NUM_SERVOS 3 // Servo index starts with 0 for M280 command
 
 // Delay (in milliseconds) before the next move will start, to give the servo time to reach its target angle.