improve readme

README.md

@@ -1,6 +1,6 @@
 # get-osx-version
 
-[![Build Status](https://travis-ci.org/fscherwi/get-osx-version.svg?branch=master)](https://travis-ci.org/fscherwi/get-osx-version) [![Coverage Status](https://coveralls.io/repos/fscherwi/get-osx-version/badge.svg?branch=master&service=github)](https://coveralls.io/github/fscherwi/get-osx-version?branch=master) [![bitHound Overalll Score](https://www.bithound.io/github/fscherwi/get-osx-version/badges/score.svg)](https://www.bithound.io/github/fscherwi/get-osx-version)
+[![Build Status](https://travis-ci.org/fscherwi/get-osx-version.svg?branch=master)](https://travis-ci.org/fscherwi/get-osx-version) [![Coverage Status](https://coveralls.io/repos/fscherwi/get-osx-version/badge.svg?branch=master&service=github)](https://coveralls.io/github/fscherwi/get-osx-version?branch=master) [![Codacy Badge](https://api.codacy.com/project/badge/Grade/a7dbbdce21b447ae85642d76b12a86c5)](https://www.codacy.com/app/fscherwi/get-osx-version?utm_source=github.com&utm_medium=referral&utm_content=fscherwi/get-osx-version&utm_campaign=Badge_Grade)
 
 ## Get the Mac OS versions from the running system!
 
@@ -9,7 +9,7 @@
 Output your current Mac OS version!
 
 ```javascript
-var mac_os_version = require('get-osx-version').get();
+var MacOSVersion = require('get-osx-version').get();
 
-console.log('Mac OS version: ' + mac_os_version);
+console.log('Mac OS version: ' + MacOSVersion);
 ```