AP_Relay: change display name of new reversed option

libraries/AP_Relay/AP_Relay_Params.cpp

@@ -66,7 +66,7 @@ const AP_Param::GroupInfo AP_Relay_Params::var_info[] = {
     AP_GROUPINFO("DEFAULT", 3, AP_Relay_Params, default_state, (float)DefaultState::OFF),
 
     // @Param: REVERSED
-    // @DisplayName: Reverse output signal
+    // @DisplayName: Relay reverse output signal
     // @Description: Should the relay output signal to be reversed. If enabled, Relay on would be Pin output off and Relay off would be Pin output on. NOTICE: this impact's DEFAULT.
     // @Values: 0: Off (non reversing),1:On (reversing)
     // @User: Standard