docs(quickstart): fixed "hurray" typo.

closes #1021

Author: DeborahK

public/docs/ts/latest/quickstart.jade

@@ -4,7 +4,7 @@ include _util-fns
   Our QuickStart goal is to build and run a super-simple Angular 2 application in TypeScript.
 
   # Download the code
-  In a hurray?
+  In a hurry?
   [Download the QuickStart source](https://github.com/angular/quickstart/blob/master/README.md)
   and start coding.