diff --git a/Gemma/GemmaM0_Band_Jacket/DiscoBandCamp/DiscoBandCamp.ino b/Gemma/GemmaM0_Band_Jacket/DiscoBandCamp/DiscoBandCamp.ino
index 055b3498a..7ddab0c4d 100644
--- a/Gemma/GemmaM0_Band_Jacket/DiscoBandCamp/DiscoBandCamp.ino
+++ b/Gemma/GemmaM0_Band_Jacket/DiscoBandCamp/DiscoBandCamp.ino
@@ -68,8 +68,8 @@ const byte numEffects = (sizeof(effectList)/sizeof(effectList[0]));
 void setup() {
 
 //Add the onboard Strip on the Right and Left to create a single array
-  FastLED.addLeds<CHIPSET, LEFT_PIN, COLOR_ORDER>(leds, 0, NUM_LEFT);
-  FastLED.addLeds<CHIPSET, RIGHT_PIN, COLOR_ORDER>(leds, NUM_LEFT, NUM_RIGHT);
+  FastLED.addLeds<CHIPSET, LEFT_PIN, COLOR_ORDER>(leds, 0, NUM_LEFT);  // See https://github.com/fastled/fastled/wiki/basic-usage
+  FastLED.addLeds<CHIPSET, RIGHT_PIN, COLOR_ORDER>(leds, 0, NUM_RIGHT);
 
   // set global brightness value
   FastLED.setBrightness( scale8(currentBrightness, MAXBRIGHTNESS) );