diff --git a/docs/shorewall_extension_scripts.xml b/docs/shorewall_extension_scripts.xml
index c309885a1..a8164bef3 100644
--- a/docs/shorewall_extension_scripts.xml
+++ b/docs/shorewall_extension_scripts.xml
@@ -449,7 +449,7 @@
         </simplelist>Example:<programlisting>add_rule( $chainref, '-j ACCEPT' );</programlisting>To
       insert a rule into the chain:<programlisting> insert_rule( $chainref, &lt;rulenum&gt;, &lt;the rule&gt; );</programlisting>The
       log_rule_limit function works like it does in the shell compiler with
-      two exceptions:<itemizedlist>
+      three exceptions:<itemizedlist>
           <listitem>
             <para>You pass the chain reference rather than the name of the
             chain.</para>