Update README.md

Added the proper link for Travis given the new name.

Author: rstradling

README.md

@@ -14,7 +14,7 @@ Please also join the [F# Open Source Group](http://fsharp.github.com)
 
 Head (branch ``master``), Windows Server 2012 (Appveyor)  [![Build status](https://ci.appveyor.com/api/projects/status/n9202rbh688hnln6/branch/master)](https://ci.appveyor.com/project/fsgit/fsharp-data-dbpedia)
 
-Head (branch ``master``), OSX (Travis)  [![Build status](https://travis-ci.org/fsprojects/fsharpx.svg?branch=master)](https://travis-ci.org/fsprojects/fsharpx)
+Head (branch ``master``), OSX (Travis)  [![Build status](https://api.travis-ci.org/fsprojects/FSharpx.Extras.svg?branch=master)](https://travis-ci.org/fsprojects/FSharpx.Extras)
 
 # Maintainer(s)