correct the command to install grunt

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 980d7ec4d7ec434e99f83bb79f2a1e23b870510b..493606b19db8e2a2c405c5f41e2bdd543922e0ac 100644 (file)
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -16,9 +16,10 @@ If you are submitting a bug, please create a [jsfiddle](http://jsfiddle.net/) de
 Contributing
 ============
 
-To contribute, fork the library and install grunt.
+To contribute, fork the library and install grunt and dependencies.
 
-    npm install grunt -g
+    npm install -g grunt-cli
+    npm install
 
 You can add tests to the files in `/test/moment` or add a new test file if you are adding a new feature.