diff --git a/src/aircraft.h b/src/aircraft.h
--- a/src/aircraft.h
+++ b/src/aircraft.h
@@ -26,12 +26,14 @@ enum AircraftSubType {
 };
 
 
-/** Handle Aircraft specific tasks when a an Aircraft enters a hangar
+/**
+ * Handle Aircraft specific tasks when a an Aircraft enters a hangar
  * @param *v Vehicle that enters the hangar
  */
 void HandleAircraftEnterHangar(Aircraft *v);
 
-/** Get the size of the sprite of an aircraft sprite heading west (used for lists)
+/**
+ * Get the size of the sprite of an aircraft sprite heading west (used for lists)
  * @param engine The engine to get the sprite from
  * @param width The width of the sprite
  * @param height The height of the sprite
@@ -44,7 +46,8 @@ void GetAircraftSpriteSize(EngineID engi
  */
 void UpdateAirplanesOnNewStation(const Station *st);
 
-/** Update cached values of an aircraft.
+/**
+ * Update cached values of an aircraft.
  * Currently caches callback 36 max speed.
  * @param v Vehicle
  */