diff --git a/doc/README.md b/doc/README.md
index 5584d86589d..1f2c7a5b8be 100644
--- a/doc/README.md
+++ b/doc/README.md
@@ -155,7 +155,7 @@ class Player extends SpriteComponent with TapCallbacks {
   }
   
   @override
-  void onTapUp(TapUpInfo info) {
+  void onTapUp(TapUpEvent info) {
     size += Vector2.all(50);
   }
 }