address review to fix code comment

src/modules/gimbal/gimbal.cpp

@@ -212,8 +212,8 @@ static int gimbal_thread_main(int argc, char *argv[])
 			thread_data.control_data.sysid_primary_control = 0;
 			thread_data.control_data.compid_primary_control = 0;
 			// If the output is set to AUX we still want the input to be able to control the gimbal
-			// via mavlink, so we set the device_compid to 1. Basically in this configuration both
-			// gimbal manager and gimbal device have the same component ID as the autopilot (=1).
+			// via mavlink, so we set the device_compid to 1. This follows the mavlink spec which states
+			// that the gimbal_device_id should be between 1 and 6.
 			thread_data.control_data.device_compid = params.mnt_mode_out == 0 ? 1 : 0;
 		}