diff --git a/docs/LennyToSqueeze.xml b/docs/LennyToSqueeze.xml
index 67a4dd4e0..ee886a27d 100644
--- a/docs/LennyToSqueeze.xml
+++ b/docs/LennyToSqueeze.xml
@@ -228,6 +228,23 @@
           </listitem>
         </varlistentry>
 
+        <varlistentry>
+          <term>DYNAMIC_ZONES</term>
+
+          <listitem>
+            <para>If you have set this option to Yes, you will receive the
+            following warning:</para>
+
+            <para><emphasis role="bold">WARNING: DYNAMIC_ZONES=Yes is not
+            supported by Shorewall 4.4.x</emphasis></para>
+
+            <para>To eliminate the warning, set DYNAMIC_ZONES=No or remove the
+            setting altogether. See <ulink url="Dynamic.html">this
+            article</ulink> to learn how to set up Dynamic Zones under
+            Shorewall 4.4.</para>
+          </listitem>
+        </varlistentry>
+
         <varlistentry id="FW">
           <term>FW</term>