diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index 8031272db..54929bac3 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -38,6 +38,7 @@
 // 7  = Ultimaker
 // 71 = Ultimaker (Older electronics. Pre 1.5.4. This is rare)
 // 8  = Teensylu
+// 80 = Rumba
 // 81 = Printrboard (AT90USB1286)
 // 82 = Brainwave (AT90USB646)
 // 9  = Gen3+