README.md in plug-0.1.25 vs README.md in plug-0.1.26

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-# Plug [![Maintainability](https://api.codeclimate.com/v1/badges/6246b1cd8e42603c42f6/maintainability)](https://codeclimate.com/github/DigitalNZ/plug/maintainability)
+# Plug [![Maintainability](https://api.codeclimate.com/v1/badges/6246b1cd8e42603c42f6/maintainability)](https://codeclimate.com/github/DigitalNZ/plug/maintainability) [![Test Coverage](https://api.codeclimate.com/v1/badges/6246b1cd8e42603c42f6/test_coverage)](https://codeclimate.com/github/DigitalNZ/plug/test_coverage)
 
 A Rails engine to turn on/off features (Feature flipper).
 
 ### Features
 