Run-With-Real-Vehicle.md

@@ -56,6 +56,10 @@ roslaunch mavros apm.launch fcu_url:=tcp://localhost gcs_url:=udp://@
 
 ## Launch ROS node
 source you setup.bash
+
+**Clear the area**
+
+Then launch the node
 ```shell
 source <WORKSPACE_PATH>/devel/setup.bash
 rosrun droneoa_ros droneoa_ros