Updated readme.md

Author: JamesRandall

README.md

@@ -11,10 +11,14 @@ Feedback is very welcome. Please leave it in the [Issues](https://github.com/Jam
 
 ## Installing the Package
 
-Use the Bower package manager to install the package into your AngularJS project:
+The preferred approach is to sse the Bower package manager to install the package into your AngularJS project:
 
     bower install --save angularjs-oauth2
 
+However you can also use npm:
+
+    npm install angularjs-oauth2 --save
+
 ## Basic Usage
 
 To authenticate an application running on localhost using Google's OAuth2 endpoint add the following HTML to, typically, your index.html page: