diff --git a/manpages/shorewall-tcrules.xml b/manpages/shorewall-tcrules.xml
index 1540415e8..1f630b974 100644
--- a/manpages/shorewall-tcrules.xml
+++ b/manpages/shorewall-tcrules.xml
@@ -623,7 +623,7 @@ SAME              $FW            0.0.0.0/0    tcp        80,443</programlisting>
       </varlistentry>
 
       <varlistentry>
-        <term><emphasis role="bold">TEST</emphasis> - [<emphasis
+        <term><emphasis role="bold">TEST</emphasis> (Optional) - [<emphasis
         role="bold">!</emphasis>]<emphasis>value</emphasis>[/<emphasis>mask</emphasis>][<emphasis
         role="bold">:C</emphasis>]</term>
 
@@ -690,7 +690,7 @@ SAME              $FW            0.0.0.0/0    tcp        80,443</programlisting>
       </varlistentry>
 
       <varlistentry>
-        <term><emphasis role="bold">TOS</emphasis> -
+        <term><emphasis role="bold">TOS</emphasis> (Optional) -
         <emphasis>tos</emphasis></term>
 
         <listitem>
@@ -706,7 +706,7 @@ SAME              $FW            0.0.0.0/0    tcp        80,443</programlisting>
       </varlistentry>
 
       <varlistentry>
-        <term><emphasis role="bold">CONNBYTES</emphasis> -
+        <term><emphasis role="bold">CONNBYTES</emphasis> (Optional) -
         [!]<emphasis>min</emphasis>:[<emphasis>max</emphasis>[:{<emphasis
         role="bold">O</emphasis>|<emphasis role="bold">R</emphasis>|<emphasis
         role="bold">B</emphasis>}[:{<emphasis
@@ -753,7 +753,7 @@ SAME              $FW            0.0.0.0/0    tcp        80,443</programlisting>
       </varlistentry>
 
       <varlistentry>
-        <term><emphasis role="bold">HELPER -
+        <term><emphasis role="bold">HELPER (Optional) -
         </emphasis><emphasis>helper</emphasis></term>
 
         <listitem>
diff --git a/manpages6/shorewall6-tcrules.xml b/manpages6/shorewall6-tcrules.xml
index 3acc04778..324330fbe 100644
--- a/manpages6/shorewall6-tcrules.xml
+++ b/manpages6/shorewall6-tcrules.xml
@@ -467,7 +467,7 @@ SAME              $FW            0.0.0.0/0    tcp        80,443</programlisting>
       </varlistentry>
 
       <varlistentry>
-        <term><emphasis role="bold">TEST</emphasis> - [<emphasis
+        <term><emphasis role="bold">TEST</emphasis>(Optional) - [<emphasis
         role="bold">!</emphasis>]<emphasis>value</emphasis>[/<emphasis>mask</emphasis>][<emphasis
         role="bold">:C</emphasis>]</term>
 
@@ -534,7 +534,7 @@ SAME              $FW            0.0.0.0/0    tcp        80,443</programlisting>
       </varlistentry>
 
       <varlistentry>
-        <term><emphasis role="bold">TOS</emphasis> -
+        <term><emphasis role="bold">TOS</emphasis> (Optional) -
         <emphasis>tos</emphasis></term>
 
         <listitem>
@@ -550,7 +550,7 @@ SAME              $FW            0.0.0.0/0    tcp        80,443</programlisting>
       </varlistentry>
 
       <varlistentry>
-        <term><emphasis role="bold">CONNBYTES</emphasis> -
+        <term><emphasis role="bold">CONNBYTES</emphasis> (Optional) -
         [!]<emphasis>min</emphasis>:[<emphasis>max</emphasis>[:{<emphasis
         role="bold">O</emphasis>|<emphasis role="bold">R</emphasis>|<emphasis
         role="bold">B</emphasis>}[:{<emphasis
@@ -597,7 +597,7 @@ SAME              $FW            0.0.0.0/0    tcp        80,443</programlisting>
       </varlistentry>
 
       <varlistentry>
-        <term><emphasis role="bold">HELPER -
+        <term><emphasis role="bold">HELPER (Optional) -
         </emphasis><emphasis>helper</emphasis></term>
 
         <listitem>