diff --git a/mpc_local_planner/include/mpc_local_planner/mpc_local_planner_ros.h b/mpc_local_planner/include/mpc_local_planner/mpc_local_planner_ros.h
index 32705f4..050036c 100644
--- a/mpc_local_planner/include/mpc_local_planner/mpc_local_planner_ros.h
+++ b/mpc_local_planner/include/mpc_local_planner/mpc_local_planner_ros.h
@@ -193,6 +193,7 @@ class MpcLocalPlannerROS : public nav_core::BaseLocalPlanner, public mbf_costmap
 
     /**
      * @brief Get the current robot footprint/contour model
+     * @param costmap_ros reference to an intialized instance of costmap_2d::Costmap2dROS
      * @return Robot footprint model used for optimization
      */
     static RobotFootprintModelPtr getRobotFootprintFromCostmap2d(costmap_2d::Costmap2DROS* costmap_ros);