Update README.md

Author: renanborgez

README.md

@@ -1,5 +1,5 @@
 [![Build Status](https://travis-ci.org/renanborgez/react-nice-input-password.svg?branch=master)](https://travis-ci.org/renanborgez/react-nice-input-password)
-[![Coverage Status](https://coveralls.io/repos/renanborgez/react-nice-input-password/badge.svg?branch=master&service=github)](https://coveralls.io/github/renanborgez/react-nice-input-password?branch=master)
+[![Coverage Status](https://coveralls.io/repos/github/renanborgez/react-nice-input-password/badge.svg?branch=master)](https://coveralls.io/github/renanborgez/react-nice-input-password?branch=master)
 
 # React-Nice-Input-Password