Fix typo

from: The end result looks exactly the same before
to: The end result looks exactly the same as before

Author: EstesE

src/markdown/tutorial/part-2/11-ember-data.md

@@ -4,7 +4,7 @@
 ember server
 ```
 
-In this chapter, we will work on removing some code duplication in our route handlers, by switching to using Ember Data to manage our data. The end result looks exactly the same before:
+In this chapter, we will work on removing some code duplication in our route handlers, by switching to using Ember Data to manage our data. The end result looks exactly the same as before:
 
 ![The Super Rentals app by the end of the chapter](/images/tutorial/part-2/ember-data/homepage@2x.png)