Update readme

README.md

@@ -43,10 +43,15 @@ Detailed Documentation
 
 ngInfiniteScroll accepts several attributes to customize the behavior of the directive; detailed instructions can be found [on the ngInfiniteScroll web site](http://binarymuse.github.com/ngInfiniteScroll/documentation.html).
 
+License
+-------
+
+ngInfiniteScroll is licensed under the MIT license. See the LICENSE file for more details.
+
 Testing
 -------
 
-ngInfiniteScroll uses Testacular for its unit tests. Note that you will need [PhantomJS](http://phantomjs.org/) on your path, and the `grunt-cli` npm package installed globally if you wish to use grunt.
+ngInfiniteScroll uses Testacular for its unit tests. Note that you will need [PhantomJS](http://phantomjs.org/) on your path, and the `grunt-cli` npm package installed globally if you wish to use grunt (`npm install -g grunt-cli`). Then, install the dependencies with `npm install`.
 
  * `grunt test` - continually watch for changes and run tests in PhantomJS and Chrome
  * `npm test` - run tests once in PhantomJS only