diff --git a/Shorewall/manpages/shorewall-tcrules.xml b/Shorewall/manpages/shorewall-tcrules.xml
index 7fecf05e5..424401891 100644
--- a/Shorewall/manpages/shorewall-tcrules.xml
+++ b/Shorewall/manpages/shorewall-tcrules.xml
@@ -573,6 +573,9 @@ SAME              $FW            0.0.0.0/0    tcp        80,443</programlisting>
     AF43 =&gt; 0x26
     EF   =&gt; 0x2e</programlisting>
 
+              <para>To indicate more than one class, add their hex values
+              together and specify the result.</para>
+
               <para>May be optionally followed by ':' and a capital letter
               designating the chain where classification is to occur.</para>
 
@@ -611,6 +614,9 @@ Maximize-Reliability =&gt; 0x04,
 Minimize-Cost        =&gt; 0x02,
 Normal-Service       =&gt; 0x00</programlisting>
 
+              <para>To indicate more than one class, add their hex values
+              together and specify the result.</para>
+
               <para>When <replaceable>tos</replaceable> is given as a number,
               it may be optionally followed by '/' and a
               <replaceable>mask</replaceable>. When no
diff --git a/Shorewall/manpages/shorewall-tos.xml b/Shorewall/manpages/shorewall-tos.xml
index 4ab8d4119..5e0a3819c 100644
--- a/Shorewall/manpages/shorewall-tos.xml
+++ b/Shorewall/manpages/shorewall-tos.xml
@@ -96,13 +96,16 @@
         <emphasis>tos</emphasis></term>
 
         <listitem>
-          <para>Must be one of the following;</para>
+          <para>Must may one of the following;</para>
 
           <programlisting>        <emphasis role="bold">tos-minimize-delay</emphasis> (16)
         <emphasis role="bold">tos-maximize-throughput</emphasis> (8)
         <emphasis role="bold">tos-maximize-reliability</emphasis> (4)
         <emphasis role="bold">tos-minimize-cost</emphasis> (2)
         <emphasis role="bold">tos-normal-service</emphasis> (0)</programlisting>
+
+          <para>To specify more than one flag, add their values together and
+          specify the numeric result.</para>
         </listitem>
       </varlistentry>
 
diff --git a/Shorewall6/manpages/shorewall6-tcrules.xml b/Shorewall6/manpages/shorewall6-tcrules.xml
index a048a305b..35c26217f 100644
--- a/Shorewall6/manpages/shorewall6-tcrules.xml
+++ b/Shorewall6/manpages/shorewall6-tcrules.xml
@@ -469,6 +469,9 @@ SAME              $FW            0.0.0.0/0    tcp        80,443</programlisting>
     AF43 =&gt; 0x26
     EF   =&gt; 0x2e</programlisting>
 
+              <para>To indicate more than one class, add their hex values
+              together and specify the result.</para>
+
               <para>May be optionally followed by ':' and a capital letter
               designating the chain where classification is to occur.</para>
 
@@ -507,6 +510,9 @@ Maximize-Reliability =&gt; 0x04,
 Minimize-Cost        =&gt; 0x02,
 Normal-Service       =&gt; 0x00</programlisting>
 
+              <para>To indicate more than one class, add their hex values
+              together and specify the result.</para>
+
               <para>When <replaceable>tos</replaceable> is given as a number,
               it may be optionally followed by '/' and a
               <replaceable>mask</replaceable>. When no
diff --git a/Shorewall6/manpages/shorewall6-tos.xml b/Shorewall6/manpages/shorewall6-tos.xml
index 54fbcc582..eadc1d234 100644
--- a/Shorewall6/manpages/shorewall6-tos.xml
+++ b/Shorewall6/manpages/shorewall6-tos.xml
@@ -102,6 +102,9 @@
         <emphasis role="bold">tos-maximize-reliability</emphasis> (4)
         <emphasis role="bold">tos-minimize-cost</emphasis> (2)
         <emphasis role="bold">tos-normal-service</emphasis> (0)</programlisting>
+
+          <para>To specify more than one flag, add their values together and
+          specify the numeric result.</para>
         </listitem>
       </varlistentry>