Broken 'More info' link

In the project settings page, under 'Documentation Type' there is a "More Info..." link. This link is totally b0rked, it 404s. Looks like the correct link is http://sphinx-doc.org/builders.html#sphinx.builders.html.DirectoryHTMLBuilder.

Link is here:

![screen shot 2014-04-14 at 15 45 12](https://cloud.githubusercontent.com/assets/1382556/2699959/7ab0e86c-c40d-11e3-9335-3fca50899b35.png)