Build status should only show master branch

Author: Porges

README.md

@@ -1,6 +1,6 @@
 # email-validate
 Email address validation for Haskell
 
-[![Travis build](https://img.shields.io/travis/Porges/email-validate-hs.svg)](https://travis-ci.org/Porges/email-validate-hs) [![Hackage](https://img.shields.io/hackage/v/email-validate.svg)](https://hackage.haskell.org/package/email-validate)
+[![Travis build](https://img.shields.io/travis/Porges/email-validate-hs/master.svg)](https://travis-ci.org/Porges/email-validate-hs) [![Hackage](https://img.shields.io/hackage/v/email-validate.svg)](https://hackage.haskell.org/package/email-validate)
 
 [See the documentation on Hackage.](http://hackage.haskell.org/package/email-validate)