Fixing coverage badge

README.md

@@ -3,7 +3,7 @@
 # Hierarchical NodeJS dependency injection in Angular style
 
 [![Build Status](https://travis-ci.org/ngfelixl/fl-node-di.svg?branch=master)](https://travis-ci.org/ngfelixl/fl-node-di)
-[![Coverage Status](https://coveralls.io/repos/github/ngfelixl/fl-node-di/badge.svg?branch=master)](https://coveralls.io/github/ngfelixl/fl-node-di?branch=master)
+[![Coverage Status](https://coveralls.io/repos/github/ngfelixl/fl-node-di/badge.svg?branch=master&service=github)](https://coveralls.io/github/ngfelixl/fl-node-di?branch=master)
 [![npm version](https://badge.fury.io/js/fl-node-di.svg)](https://badge.fury.io/js/fl-node-di)
 [![Gitter chat](https://badges.gitter.im/gitterHQ/gitter.png)](https://gitter.im/fl-node-di/)