diff --git a/platform/darwin/src/MGLMapSnapshotter.h b/platform/darwin/src/MGLMapSnapshotter.h
index 4a59cc3b3..2ddc619fc 100644
--- a/platform/darwin/src/MGLMapSnapshotter.h
+++ b/platform/darwin/src/MGLMapSnapshotter.h
@@ -196,7 +196,7 @@ MGL_EXPORT
 @property (nonatomic) CGSize size;
 
 /**
- Indicates whether as snapshot is currently being generated.
+ Indicates whether a snapshot is currently being generated.
  */
 @property (nonatomic, readonly, getter=isLoading) BOOL loading;