spinning_square.dart -> widgets/spinning_square.dart
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index bfe6477..7c69f81 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -56,7 +56,7 @@
You can also specify a particular Dart file to run if you want to run an example
that doesn't have a `lib/main.dart` file using the `-t` command-line option. For
-example, to run the `spinning_square.dart` example in the [examples/layers](examples/layers)
+example, to run the `widgets/spinning_square.dart` example in the [examples/layers](examples/layers)
directory on a connected Android device, from that directory you would run:
`flutter run -t widgets/spinning_square.dart`
