Fix RsT errors in docs.

docs/source/setup.rst

@@ -167,7 +167,6 @@ Single Session Support
 
 .. note::
     What is prebinding?
-    ~~~~~~~~~~~~~~~~~~~
 
     **Prebind** refers to a technique whereby your web application sets up an
     authenticated BOSH session with a BOSH connection manager (which could be your
@@ -217,7 +216,7 @@ page load). Each page load is a new request which requires a new unique RID.
 The best way to achieve this is to simply increment the RID with each page
 load.
 
-You'll need to configure converse.js with the :ref:`prebind`, :ref:`keepalive` and 
+You'll need to configure converse.js with the ``prebind``, :ref:`keepalive` and
 :ref:`prebind_url` settings.
 
 Please read the documentation on those settings for a fuller picture of what