diff --git a/src/main.cpp b/src/main.cpp
index a47c97b..aa957e0 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -2,6 +2,7 @@
 
   Velo Pos Light 2022 / Attiny 85 1MHZ
 
+  red/gren/blue
 */
 
 #include <Arduino.h>