diff --git a/ArduCopter/Parameters.cpp b/ArduCopter/Parameters.cpp
index 7c09a42b07f7c..b449b18e146fc 100644
--- a/ArduCopter/Parameters.cpp
+++ b/ArduCopter/Parameters.cpp
@@ -46,6 +46,7 @@ const AP_Param::Info Copter::var_info[] = {
     // @DisplayName: My ground station number
     // @Description: Allows restricting radio overrides to only come from my ground station
     // @Range: 1 255
+    // @Increment: 1
     // @User: Advanced
     GSCALAR(sysid_my_gcs,   "SYSID_MYGCS",     255),