diff --git a/README.md b/README.md
index 0086395..6c1c7c4 100644
--- a/README.md
+++ b/README.md
@@ -49,3 +49,4 @@ This should be updated fairly regularly. As usual, **pull requests are encourage
 
 * [docco](http://jashkenas.github.com/docco/) - Pretty docs from source code comments with ports for many languages. (contributed by [@kylewest](https://twitter.com/kylewest))
 * [DocumentUp](http://documentup.com/) - Instantly beautify your Github repositories' `README.md`. (contributed by [@kylewest](https://twitter.com/kylewest))
+* [Sphinx](http://sphinx.pocoo.org/) - Comprehensive documentationt tool using restructuredText with beautiful HTML and PDF output. (contributed by [@nikhilcutshort](https://twitter.com/nikhilcutshort))
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