Edit dns setup doc
Set up DNS for your project
---------------------------
+===========================
-BinderHub only works with DNS set up for your website. This means you'll
-need to set up a web address to be accessible by your Binder. This will
-differ by whatever web host you're using, but in general this is what
-you should do:
+BinderHub only works with the DNS set up for your website. This means you'll
+need to set up a web address to be accessible by your Binder. The process will
+differ by whatever web host you're using, but, in general, this is what you
+should do:
<<< TODO >>>
-Now that our DNS is set up, it's time to
-`set up BinderHub <setup-binderhub.html>`_.
+Now that our DNS is set up, it's time to :doc:`setup-binderhub.html`.
