Merge pull request #354 from toothbrush7777777/patch-1

Updated the StackOverflow tag for ASP.NET 5

Author: Eilon

CONTRIBUTING.md

@@ -24,7 +24,7 @@ A description of all the repos is [here](https://github.com/aspnet/Home/wiki/Rep
 Our team members also monitor several other discussion forums:
 
 * [ASP.NET vNext forum](http://forums.asp.net/1255.aspx/1?ASP+NET+vNext)
-* [StackOverflow](http://stackoverflow.com/questions/tagged/asp.net-vnext) with the `asp.net-vnext` or `entity-framework-7` tag
+* [StackOverflow](http://stackoverflow.com/questions/tagged/asp.net-5) with the `asp.net-5` or `entity-framework-7` tag
 * [JabbR chat room](https://jabbr.net/#/rooms/aspnetvnext) for real-time discussions with the community and the people who work on the project