diff --git a/clever/launch/clever.launch b/clever/launch/clever.launch
index 272619ce..8a6f1cab 100644
--- a/clever/launch/clever.launch
+++ b/clever/launch/clever.launch
@@ -27,6 +27,7 @@
     <!-- TODO: simplified offboard control -->
     <!--<node name="offboard" pkg="clever" type="offboard.py" output="screen"/>-->
 
+    <!-- bottom camera -->
     <include file="$(find clever)/launch/bottom_camera.launch" if="$(arg camera)"/>
 
     <!-- rosbridge -->