diff --git a/msg/FixedWingLateralGuidanceStatus.msg b/msg/FixedWingLateralGuidanceStatus.msg
index 2721cbfcbe..466972d3d4 100644
--- a/msg/FixedWingLateralGuidanceStatus.msg
+++ b/msg/FixedWingLateralGuidanceStatus.msg
@@ -3,7 +3,7 @@
 
 uint64 timestamp                # time since system start (microseconds)
 
-float32 course_setpoint         # [rad] [-pi, pi] Desired direction of travel over ground w.r.t (true) North. Set by guidance law
+float32 course_setpoint         # [rad] [@range -pi, pi] Desired direction of travel over ground w.r.t (true) North. Set by guidance law
 float32 lateral_acceleration_ff # [m/s^2] [FRD] lateral acceleration demand only for maintaining curvature
 float32 bearing_feas            # [0,1] bearing feasibility
 float32 bearing_feas_on_track   # [0,1] on-track bearing feasibility
diff --git a/msg/versioned/FixedWingLateralSetpoint.msg b/msg/versioned/FixedWingLateralSetpoint.msg
index 26a02005d0..ac7410878e 100644
--- a/msg/versioned/FixedWingLateralSetpoint.msg
+++ b/msg/versioned/FixedWingLateralSetpoint.msg
@@ -6,6 +6,6 @@ uint32 MESSAGE_VERSION = 0
 
 uint64 timestamp                        # time since system start (microseconds)
 
-float32 course 				# [rad] [-pi, pi] Desired direction of travel over ground w.r.t (true) North. NAN if not controlled directly.
-float32 airspeed_direction    		# [rad] [-pi, pi] Desired horizontal angle of airspeed vector w.r.t. (true) North. Same as vehicle heading if in the absence of sideslip. NAN if not controlled directly, takes precedence over course if finite.
+float32 course 				# [rad] [@range -pi, pi] Desired direction of travel over ground w.r.t (true) North. NAN if not controlled directly.
+float32 airspeed_direction    		# [rad] [@range -pi, pi] Desired horizontal angle of airspeed vector w.r.t. (true) North. Same as vehicle heading if in the absence of sideslip. NAN if not controlled directly, takes precedence over course if finite.
 float32 lateral_acceleration 		# [m/s^2] [FRD] Lateral acceleration setpoint. NAN if not controlled directly, used as feedforward if either course setpoint or airspeed_direction is finite.