diff --git a/config.toml b/config.toml
index 11475d7..1d49187 100644
--- a/config.toml
+++ b/config.toml
@@ -1,3 +1,5 @@
+# Mapping: https://docs.google.com/spreadsheets/d/1H9qOxWgdZKMg3pEcDmyT748qfZi-Y0NwlDlFhdgsbtk/edit?usp=sharing
+
 ###### Pixie driver sACN unicast hacks
 
 # lighting-1 port 1