diff --git a/packages/flutter/lib/src/widgets/navigator.dart b/packages/flutter/lib/src/widgets/navigator.dart
index 2ef373f4a994b..abac87401a431 100644
--- a/packages/flutter/lib/src/widgets/navigator.dart
+++ b/packages/flutter/lib/src/widgets/navigator.dart
@@ -1323,7 +1323,7 @@ const TraversalEdgeBehavior kDefaultRouteDirectionalTraversalEdgeBehavior =
 /// such as Android, the system UI will provide a back button (outside the
 /// bounds of your application) that will allow the user to navigate back
 /// to earlier routes in your application's stack. On platforms that don't
-/// have this build-in navigation mechanism, the use of an [AppBar] (typically
+/// have this built-in navigation mechanism, the use of an [AppBar] (typically
 /// used in the [Scaffold.appBar] property) can automatically add a back
 /// button for user navigation.
 ///