diff --git a/packages/flutter/lib/src/widgets/binding.dart b/packages/flutter/lib/src/widgets/binding.dart
index 291e7ba..8e3d813 100644
--- a/packages/flutter/lib/src/widgets/binding.dart
+++ b/packages/flutter/lib/src/widgets/binding.dart
@@ -702,7 +702,7 @@
   /// Pump the build and rendering pipeline to generate a frame.
   ///
   /// This method is called by [handleDrawFrame], which itself is called
-  /// automatically by the engine when when it is time to lay out and paint a
+  /// automatically by the engine when it is time to lay out and paint a
   /// frame.
   ///
   /// Each frame consists of the following phases: