diff --git a/docs/Dynamic.xml b/docs/Dynamic.xml
index c7805f537..a8d96e8f4 100644
--- a/docs/Dynamic.xml
+++ b/docs/Dynamic.xml
@@ -95,6 +95,11 @@ rsyncok     eth1:<emphasis role="bold">dynamic</emphasis></programlisting>
       <para>When the <emphasis role="bold">dynamic_shared</emphasis> option is
       specified, a single ipset is created; the ipset has the same name as the
       zone.</para>
+
+      <para>In the above example, <emphasis role="bold">rsyncok</emphasis> is
+      a sub-zone of the single zone <emphasis role="bold">loc</emphasis>.
+      Making a dynamic zone a sub-zone of multiple other zones is also
+      supported.</para>
     </section>
 
     <section id="Adding">