Add Documentation Status badge

README.md

@@ -5,7 +5,7 @@
 [![Build Status](https://travis-ci.org/hfaran/progressive.svg?branch=master)](https://travis-ci.org/hfaran/progressive?branch=master)
 [![Coverage Status](https://coveralls.io/repos/hfaran/progressive/badge.svg?branch=master)](https://coveralls.io/r/hfaran/progressive?branch=master)
 [![PyPI version](https://badge.fury.io/py/progressive.svg)](http://badge.fury.io/py/progressive)
-[![Docs](https://readthedocs.org/projects/progressive/?badge=latest)](http://progressive.readthedocs.org/)
+[![Documentation Status](https://readthedocs.org/projects/progressive/badge/?version=latest)](https://readthedocs.org/projects/progressive/?badge=latest)
 [![Stories in Ready](https://badge.waffle.io/hfaran/progressive.png?label=Ready)](http://waffle.io/hfaran/progressive)
 
 Colorful progress bars and trees for your terminal, powered by [blessings](https://github.com/erikrose/blessings). Compatible with both Python 2 and 3.