Update README.md

Author: scottcorgan

README.md

@@ -16,7 +16,7 @@ Inject module into your application
 angular.module('YourApp', ['linkify']);
 ```
 
-User as a [AngularJS Filter](http://docs.angularjs.org/guide/dev_guide.templates.filters.using_filters) or [AngularJS Directive](http://docs.angularjs.org/guide/directive)
+Use as a [AngularJS Filter](http://docs.angularjs.org/guide/dev_guide.templates.filters.using_filters) or [AngularJS Directive](http://docs.angularjs.org/guide/directive)
 
 ```html
 <!-- As a filter -->
@@ -36,18 +36,20 @@ User as a [AngularJS Filter](http://docs.angularjs.org/guide/dev_guide.templates
 <div ng-bind="someModel" linkify="twitter"></div>
 ```
 
-User as a service
+Inject as a [AngularJS Service](http://docs.angularjs.org/guide/dev_guide.services)
 
 ```javascript
 // Injected into controller
-angular.module('someModule').controller('SomeCtrl', function ($scope.linkify) {
+angular.module('someModule').controller('SomeCtrl', function ($scope, linkify) {
   var text = "@scottcorgan and http://github.com";
 
   // Twitter
   $scope.text = linkify.twitter(text);
+  // outputs: <a href="https://twitter.com/scottcorgan" target="_blank">scottcorgan</a> and <a href="http://github.com" target="_blank">http://github.com</a>
 
   // Github
   $scope.text = linkify.github(text);
+  // outputs: <a href="https://github.com/scottcorgan" target="_blank">scottcorgan</a> and <a href="http://github.com" target="_blank">http://github.com</a>
 
 });