diff --git a/libraries/AP_RC_Channel/AP_RC_Channel.cpp b/libraries/AP_RC_Channel/AP_RC_Channel.cpp
index 288f9c7353..b23879e0fd 100644
--- a/libraries/AP_RC_Channel/AP_RC_Channel.cpp
+++ b/libraries/AP_RC_Channel/AP_RC_Channel.cpp
@@ -1,5 +1,5 @@
 /*
-	AP_RC_Channel.cpp - Radio library for Arduino
+	AP_RC_Channel.cpp - Radio library for Arduino Legacy Hardware
 	Code by Jason Short. DIYDrones.com
 
 	This library is free software; you can redistribute it and / or