diff --git a/libraries/AP_Vehicle/AP_Vehicle.h b/libraries/AP_Vehicle/AP_Vehicle.h
index e254568474..a109b31253 100644
--- a/libraries/AP_Vehicle/AP_Vehicle.h
+++ b/libraries/AP_Vehicle/AP_Vehicle.h
@@ -268,7 +268,7 @@ public:
      */
     virtual bool get_pan_tilt_norm(float &pan_norm, float &tilt_norm) const { return false; }
 
-   // Returns roll and  pitch for OSD Horizon, Plane overrides to correct for VTOL view and fixed wing TRIM_PITCH
+    // Returns roll and  pitch for OSD Horizon, Plane overrides to correct for VTOL view and fixed wing PTCH_TRIM_DEG
     virtual void get_osd_roll_pitch_rad(float &roll, float &pitch) const;
 
     /*