dmq: docs - reorganized the dmq request section

(cherry picked from commit e683ee5)

src/modules/dmq/doc/dmq_admin.xml

@@ -52,15 +52,20 @@
 	major version. Internal structures can be incompatible between different
 	major versions and can lead to crashes or unexpected behaviour.
 	</para>
-	<example>
-		<title>KDMQ Request Example</title>
+	<section>
+		<title>KDMQ Request</title>
 		<para>
-		This request is generated for DMQ peers availability notifications.
-		Other messages can be produced by various modules, with different R-URI
-		username and body content, such as <emphasis>htable</emphasis>,
-		<emphasis>dialog</emphasis> or <emphasis>usrloc</emphasis> modules.
+		KDMQ messages can have different format and content for R-URI username, headers
+		and body, being specific to each component that leverages DMQ to replicate
+		data, such as <emphasis>htable</emphasis>, <emphasis>dialog</emphasis>
+		or <emphasis>usrloc</emphasis> modules.
 		</para>
-                <programlisting format="linespecific">
+		<para>
+		Next request is generated by DMQ module for peers availability notifications.
+		</para>
+	<example>
+		<title>KDMQ Request Example</title>
+            <programlisting format="linespecific">
 ...
 
 KDMQ sip:notification_peer@192.168.40.15:5090 SIP/2.0
@@ -82,6 +87,7 @@ sip:192.168.40.17:5060;status=active
 </programlisting>
     </example>
 	</section>
+	</section>
 
 	<section>
 	<title>Dependencies</title>