typo

docs/src/main_board_pcb.md

@@ -6,7 +6,7 @@ You can also view the [Main-Board PCB layout as PDF](./plot/dispensy_pcb.pdf).
 
 <script src="js/svg-pan-zoom.js" charset="UTF-8"></script>
 <div style="background-color: white;">
-    <embed type="image/svg+xml" src="../plot/dispensy_pcb.svg" id="pz_dispensy" style="width:100%;"/>
+    <embed type="image/svg+xml" src="./plot/dispensy_pcb.svg" id="pz_dispensy" style="width:100%;"/>
     <script>
         document.getElementById('pz_dispensy').addEventListener('load', function(){
             svgPanZoom(document.getElementById('pz_dispensy'), {controlIconsEnabled: true});