diff --git a/lib/ui/semantics.dart b/lib/ui/semantics.dart
index 18e17c49e72d8..da3a8a060f7ee 100644
--- a/lib/ui/semantics.dart
+++ b/lib/ui/semantics.dart
@@ -209,7 +209,7 @@ class SemanticsAction {
 
   /// Move the input focus to the respective widget.
   ///
-  /// Most commonly, the input focus determines what widget will receive
+  /// Most commonly, the input focus determines which widget will receive
   /// keyboard input. Semantics nodes that can receive this action are expected
   /// to have [SemanticsFlag.isFocusable] set. Examples of such focusable
   /// widgets include buttons, checkboxes, switches, and text fields.