diff --git a/CopterController/echoServerAdvanced.cpp b/CopterController/echoServerAdvanced.cpp
index 824d537..5b88480 100644
--- a/CopterController/echoServerAdvanced.cpp
+++ b/CopterController/echoServerAdvanced.cpp
@@ -1,3 +1,5 @@
+// For use with v1 GroundStation
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/CopterController/main.cpp b/CopterController/main.cpp
index 4d4870b..67c6bef 100644
--- a/CopterController/main.cpp
+++ b/CopterController/main.cpp
@@ -1,3 +1,5 @@
+// For use with v1 GroundStation
+
 #include <iostream>
 #include <stdio.h>
 #include <cstdlib>