update to CONTRIBUTING.md related to new update-packages command
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index c972627..e8925d0 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -37,11 +37,11 @@
* `git remote add upstream git@github.com:flutter/flutter.git` (So that you
fetch from the master repository, not your clone, when running `git fetch`
et al.)
- * Run `dart ./dev/update_packages.dart` This will fetch all the Dart packages that
- Flutter depends on. You can replicate what this script does by running
- `pub get` in each directory that contains a `pubspec.yaml` file.
* Add this repository's `bin` directory to your path. That will let you use the
`flutter` command in this directory more easily.
+ * Run `flutter update-packages` This will fetch all the Dart packages that
+ Flutter depends on. You can replicate what this script does by running
+ `pub get` in each directory that contains a `pubspec.yaml` file.
Running the examples
--------------------
