diff --git a/configs/common_ex.launch b/configs/common_ex.launch
index 2d71c08768c2f1c19a8c654819f799e950abb523..1f38bcd1bfe5c22bd68abac40fc87ca14e36d838 100644
--- a/configs/common_ex.launch
+++ b/configs/common_ex.launch
@@ -1,6 +1,7 @@
 <launch>
   <group ns="configuration">
     <rosparam>
+      description: "EX DJI M100"
       type: "aircraft"
       sub_type: "rotary wing"
       safety_margin: 5.0