diff --git a/docs/PacketMarking.xml b/docs/PacketMarking.xml
index 9a4928e05..da2500e3f 100644
--- a/docs/PacketMarking.xml
+++ b/docs/PacketMarking.xml
@@ -242,6 +242,10 @@ tcp      6 19 TIME_WAIT src=206.124.146.176 dst=192.136.34.98 sport=58597 dport=
       <listitem>
         <para>SAVE rules use a default mask value of 0xff.</para>
       </listitem>
+
+      <listitem>
+        <para>Connection marking rules use a mask value of 0xff.</para>
+      </listitem>
     </itemizedlist>
   </section>