diff --git a/include/mbgl/ios/MGLMapView+MGLCustomStyleLayerAdditions.h b/include/mbgl/ios/MGLMapView+MGLCustomStyleLayerAdditions.h
index 4785a36cfaa..afb21f9b6ae 100644
--- a/include/mbgl/ios/MGLMapView+MGLCustomStyleLayerAdditions.h
+++ b/include/mbgl/ios/MGLMapView+MGLCustomStyleLayerAdditions.h
@@ -2,8 +2,10 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
+/// -
 typedef void (^MGLCustomStyleLayerPreparationHandler)(void);
 
+/// -
 typedef void (^MGLCustomStyleLayerDrawingHandler)(CGSize size,
                                                   CLLocationCoordinate2D centerCoordinate,
                                                   double zoomLevel,
@@ -11,6 +13,7 @@ typedef void (^MGLCustomStyleLayerDrawingHandler)(CGSize size,
                                                   CGFloat pitch,
                                                   CGFloat perspectiveSkew);
 
+/// -
 typedef void (^MGLCustomStyleLayerCompletionHandler)(void);
 
 @interface MGLMapView (MGLCustomStyleLayerAdditions)