Fix typo in docs (#31538)
diff --git a/packages/flutter/lib/src/widgets/heroes.dart b/packages/flutter/lib/src/widgets/heroes.dart
index 3285eb3..e9c50c1 100644
--- a/packages/flutter/lib/src/widgets/heroes.dart
+++ b/packages/flutter/lib/src/widgets/heroes.dart
@@ -160,7 +160,7 @@
///
/// If this property is null, the default, then the value of
/// [HeroController.createRectTween] is used. The [HeroController] created by
- /// [MaterialApp] creates a [MaterialRectAreTween].
+ /// [MaterialApp] creates a [MaterialRectArcTween].
final CreateRectTween createRectTween;
/// The widget subtree that will "fly" from one route to another during a