diff --git a/Shorewall/manpages/shorewall-tcfilters.xml b/Shorewall/manpages/shorewall-tcfilters.xml
index 3e17c8ae2..1daeabe0f 100644
--- a/Shorewall/manpages/shorewall-tcfilters.xml
+++ b/Shorewall/manpages/shorewall-tcfilters.xml
@@ -205,8 +205,8 @@
 
           <itemizedlist>
             <listitem>
-              <para>Classify by packet mark - <replaceable>class
-              priority</replaceable> LOR 32.</para>
+              <para>Classify by packet mark - ( <replaceable>class
+              priority</replaceable> &lt;&lt; 8 ) LOR 32.</para>
             </listitem>
 
             <listitem>
@@ -218,8 +218,8 @@
             </listitem>
 
             <listitem>
-              <para>Complex TC ACK packets - <replaceable>class
-              priority</replaceable> LOR 16.</para>
+              <para>Complex TC ACK packets - ( <replaceable>class
+              priority</replaceable> &lt;&lt; 8 ) LOR 16.</para>
             </listitem>
 
             <listitem>
diff --git a/Shorewall6/manpages/shorewall6-tcfilters.xml b/Shorewall6/manpages/shorewall6-tcfilters.xml
index f84c61095..19b4ab099 100644
--- a/Shorewall6/manpages/shorewall6-tcfilters.xml
+++ b/Shorewall6/manpages/shorewall6-tcfilters.xml
@@ -200,8 +200,8 @@
 
           <itemizedlist>
             <listitem>
-              <para>Classify by packet mark - <replaceable>class
-              priority</replaceable> LOR 32.</para>
+              <para>Classify by packet mark - ( <replaceable>class
+              priority</replaceable> &lt;&lt; 8 ) LOR 32.</para>
             </listitem>
 
             <listitem>
@@ -213,8 +213,8 @@
             </listitem>
 
             <listitem>
-              <para>Complex TC ACK packets - <replaceable>class
-              priority</replaceable> LOR 16.</para>
+              <para>Complex TC ACK packets - ( <replaceable>class
+              priority</replaceable> &lt;&lt; 8 ) LOR 16.</para>
             </listitem>
 
             <listitem>
@@ -273,6 +273,6 @@
     <para><ulink
     url="http://shorewall.net/PacketMarking.html">http://shorewall.net/PacketMarking.html</ulink></para>
 
-    <para></para>
+    <para/>
   </refsect1>
 </refentry>