diff --git a/manpages/shorewall-nat.xml b/manpages/shorewall-nat.xml
index 6f74b4b3a..8a781ccfc 100644
--- a/manpages/shorewall-nat.xml
+++ b/manpages/shorewall-nat.xml
@@ -34,7 +34,8 @@
 
     <variablelist>
       <varlistentry>
-        <term><emphasis role="bold">EXTERNAL</emphasis></term>
+        <term><emphasis role="bold">EXTERNAL</emphasis> —
+        <emphasis>address</emphasis></term>
 
         <listitem>
           <para>External IP Address - this should NOT be the primary IP
@@ -52,18 +53,20 @@
       </varlistentry>
 
       <varlistentry>
-        <term><emphasis role="bold">INTERFACE</emphasis></term>
+        <term><emphasis role="bold">INTERFACE</emphasis> —
+        <emphasis>interface</emphasis>[<emphasis
+        role="bold">:</emphasis>[<emphasis>digit</emphasis>]]</term>
 
         <listitem>
           <para>Interface that has the <emphasis
           role="bold">EXTERNAL</emphasis> address. If ADD_IP_ALIASES=Yes in
           shorewall.conf(5), Shorewall will automatically add the EXTERNAL
           address to this interface. Also if ADD_IP_ALIASES=Yes, you may
-          follow the interface name with ":" and a digit to indicate that you
-          want Shorewall to add the alias with this name (e.g., "eth0:0").
-          That allows you to see the alias with ifconfig. <emphasis
-          role="bold">That is the only thing that this name is good for -- you
-          cannot use it anwhere else in your Shorewall
+          follow the interface name with ":" and a <emphasis>digit</emphasis>
+          to indicate that you want Shorewall to add the alias with this name
+          (e.g., "eth0:0"). That allows you to see the alias with ifconfig.
+          <emphasis role="bold">That is the only thing that this name is good
+          for -- you cannot use it anwhere else in your Shorewall
           configuration.</emphasis></para>
 
           <para>If you want to override ADD_IP_ALIASES=Yes for a particular
@@ -73,7 +76,8 @@
       </varlistentry>
 
       <varlistentry>
-        <term><emphasis role="bold">INTERNAL</emphasis></term>
+        <term><emphasis role="bold">INTERNAL</emphasis> —
+        <emphasis>address</emphasis></term>
 
         <listitem>
           <para>Internal Address (must not be a DNS Name).</para>
@@ -81,7 +85,8 @@
       </varlistentry>
 
       <varlistentry>
-        <term><emphasis role="bold">ALL INTERFACES</emphasis></term>
+        <term><emphasis role="bold">ALL INTERFACES</emphasis> - [<emphasis
+        role="bold">Yes</emphasis>|<emphasis role="bold">No</emphasis>]</term>
 
         <listitem>
           <para>If Yes or yes, NAT will be effective from all hosts. If No or
@@ -92,7 +97,8 @@
       </varlistentry>
 
       <varlistentry>
-        <term><emphasis role="bold">LOCAL</emphasis></term>
+        <term><emphasis role="bold">LOCAL</emphasis> — [<emphasis
+        role="bold">Yes</emphasis>|<emphasis role="bold">No</emphasis>]</term>
 
         <listitem>
           <para>If <emphasis role="bold">Yes</emphasis> or <emphasis