Merge pull request Urigo#458 from ppotoplyak/patch-3

(docs): Trivial grammar fix step 9

Author: Urigo

.docs/angular-meteor/client/views/steps/tutorial.step_09.html

@@ -76,7 +76,7 @@ <h1>Step 9 - Privacy and publish-subscribe functions</h1>
 
 We have two ways of doing that:
 
-1. Using the [$meteor.subscribe](/api/subscribe) service that also return a promise when the subscribing is done
+1. Using the [$meteor.subscribe](/api/subscribe) service that also returns a promise when the subscribing is done
 2. Using [AngularMeteorCollection's](/api/AngularMeteorCollection) subscribe function which is exactly the same but it's
 here just for syntactic sugar doesn't return a promise.