diff --git a/Rover/Parameters.cpp b/Rover/Parameters.cpp
index 592cc8941e..49c1f9a0be 100644
--- a/Rover/Parameters.cpp
+++ b/Rover/Parameters.cpp
@@ -523,7 +523,7 @@ const AP_Param::GroupInfo ParametersG2::var_info[] = {
     // @Param: FRAME_TYPE
     // @DisplayName: Frame Type
     // @Description: Frame Type
-    // @Values: 0:Undefined,1:Omni3,2:OmniX,3:OmniPlus
+    // @Values: 0:Undefined,1:Omni3,2:OmniX,3:OmniPlus,4:Omni3Mecanum
     // @User: Standard
     // @RebootRequired: True
     AP_GROUPINFO("FRAME_TYPE", 24, ParametersG2, frame_type, 0),