Small update

Author: ericholscher

README.rst

@@ -9,6 +9,8 @@ Purpose
 `Read the Docs`_ hosts documentation for the open source community. It supports
 Sphinx_ docs written with reStructuredText_, and can pull from your Subversion_,
 Bazaar_, Git_, and Mercurial_ repositories.
+Then we build documentation and host it for you.
+Think of it as *Continuous Documentation*.
 
 .. _Read the docs: http://readthedocs.org/
 .. _Sphinx: http://sphinx.pocoo.org/