diff --git a/protos/mission/mission.proto b/protos/mission/mission.proto
index 9b525305c..486db7f42 100644
--- a/protos/mission/mission.proto
+++ b/protos/mission/mission.proto
@@ -184,6 +184,7 @@ message MissionItem {
         CAMERA_ACTION_STOP_VIDEO = 5; // Stop capturing video
     }
 
+    // Possible vehicle actions at a mission item
     enum VehicleAction {
         VEHICLE_ACTION_NONE = 0; // No action
         VEHICLE_ACTION_TAKEOFF = 1; // Vehicle will takeoff and go to defined waypoint