Fix A8 config author (#13974)

config/examples/Anet/A8plus/Configuration.h

 // User-specified version info of this build to display in [Pronterface, etc] terminal window during
 // startup. Implementation of an idea by Prof Braino to inform user that any changes made to this
 // build by the user have been successfully uploaded into firmware.
-#define STRING_CONFIG_H_AUTHOR "(Martin Zeman - Zemistr, Anet A8 stock)" // Who made the changes.
+#define STRING_CONFIG_H_AUTHOR "(Martin Zeman - Zemistr, Anet A8 Plus)" // Who made the changes.
 #define SHOW_BOOTSCREEN
 #define STRING_SPLASH_LINE1 SHORT_BUILD_VERSION // will be shown during bootup in line 1
 #define STRING_SPLASH_LINE2 WEBSITE_URL         // will be shown during bootup in line 2