Correctly place config setting in right order.

docs/source/configuration.rst

@@ -53,23 +53,6 @@ This enables anonymous login if the XMPP server supports it. This option can be
 used together with `auto_login`_ to automatically and anonymously log a user in
 as soon as the page loads.
 
-archived_messages_page_size
----------------------------
-
-* Default:  ``20``
-
-See also: `message_archiving`
-
-This feature applies to `XEP-0313: Message Archive Management (MAM) <https://xmpp.org/extensions/xep-0313.html>`_
-and will only take effect if your server supports MAM.
-
-It allows you to specify the maximum amount of archived messages to be returned per query.
-When you open a chat box or room, archived messages will be displayed (if
-available) and the amount returned will be no more than the page size.
-
-You will be able to query for even older messages by scrolling upwards in the chat box or room
-(the so-called infinite scrolling pattern).
-
 prebind
 ~~~~~~~
 
@@ -114,7 +97,6 @@ Here's an example of converse.js being initialized with these three options:
         allow_logout: false
     });
 
-
 allow_chat_pending_contacts
 ---------------------------
 
@@ -171,6 +153,23 @@ animate
 
 Show animations, for example when opening and closing chat boxes.
 
+archived_messages_page_size
+---------------------------
+
+* Default:  ``20``
+
+See also: `message_archiving`
+
+This feature applies to `XEP-0313: Message Archive Management (MAM) <https://xmpp.org/extensions/xep-0313.html>`_
+and will only take effect if your server supports MAM.
+
+It allows you to specify the maximum amount of archived messages to be returned per query.
+When you open a chat box or room, archived messages will be displayed (if
+available) and the amount returned will be no more than the page size.
+
+You will be able to query for even older messages by scrolling upwards in the chat box or room
+(the so-called infinite scrolling pattern).
+
 auto_list_rooms
 ---------------