Add uorb message meta

docs/en/msg_docs/PurePursuitStatus.md

@@ -1,16 +1,17 @@
 # PurePursuitStatus (UORB message)
 
-
+Pure pursuit status
 
 [source file](https://github.com/PX4/PX4-Autopilot/blob/main/msg/PurePursuitStatus.msg)
 
 ```c
-uint64 timestamp # time since system start (microseconds)
+# Pure pursuit status
 
-float32 lookahead_distance   # [m] Lookahead distance of pure the pursuit controller
-float32 target_bearing       # [rad] Target bearing calculated by the pure pursuit controller
-float32 crosstrack_error     # [m] Shortest distance from the vehicle to the path (Positiv: Vehicle is on the right hand side with respect to the oriented path vector, Negativ: Left of the path)
-float32 distance_to_waypoint # [m] Distance from the vehicle to the current waypoint
-float32 bearing_to_waypoint  # [rad] Bearing towards current waypoint
+uint64 timestamp # [us] Time since system start
+float32 lookahead_distance # [m] [@range 0, inf] Lookahead distance of pure the pursuit controller
+float32 target_bearing # [rad] [@range -pi, pi] [@frame NED] Target bearing calculated by the pure pursuit controller
+float32 crosstrack_error # [m] [@range -inf (Left of the path), inf (Right of the path)] Shortest distance from the vehicle to the path
+float32 distance_to_waypoint # [m] [@range -inf, inf]Distance from the vehicle to the current waypoint
+float32 bearing_to_waypoint # [rad] [@range -pi, pi] [@frame NED]Bearing towards current waypoint
 
 ```