diff --git a/doc/examples/widgets/lib/main.dart b/doc/examples/widgets/lib/main.dart
index 999455e47..5bd869337 100644
--- a/doc/examples/widgets/lib/main.dart
+++ b/doc/examples/widgets/lib/main.dart
@@ -56,7 +56,8 @@ void main() async {
               ),
               sprite: _buttons.getSprite(0, 0),
               pressedSprite: _buttons.getSprite(1, 0),
-            )),
+            ),
+        ),
       );
 
   runApp(dashbook);