diff --git a/docs/Shorewall_Squid_Usage.xml b/docs/Shorewall_Squid_Usage.xml
index 83fc00563..feccfebc4 100644
--- a/docs/Shorewall_Squid_Usage.xml
+++ b/docs/Shorewall_Squid_Usage.xml
@@ -325,7 +325,7 @@ ACCEPT    $FW      net    tcp      80,443</programlisting></para>
       <option>local</option> option in shorewall-providers(5) has been
       available since Shoreall 4.4.7. That support required additional rules
       to be added in the 'start' extention script to make it work
-      reliable.</para>
+      reliably.</para>
     </note>
 
     <para>The following configuration works with Squid running on the firewall