diff --git a/APMrover2/Parameters.cpp b/APMrover2/Parameters.cpp
index dc8be1e438..df1f06a266 100644
--- a/APMrover2/Parameters.cpp
+++ b/APMrover2/Parameters.cpp
@@ -37,7 +37,7 @@ const AP_Param::Info Rover::var_info[] = {
     // @User: Advanced
     GSCALAR(initial_mode,        "INITIAL_MODE",     Mode::Number::MANUAL),
 
-    // @Param: SYSID_THIS_MAV
+    // @Param: SYSID_THISMAV
     // @DisplayName: MAVLink system ID of this vehicle
     // @Description: Allows setting an individual MAVLink system id for this vehicle to distinguish it from others on the same network
     // @Range: 1 255