diff --git a/manpages/shorewall-masq.xml b/manpages/shorewall-masq.xml
index 5e76339ab..c5e685774 100644
--- a/manpages/shorewall-masq.xml
+++ b/manpages/shorewall-masq.xml
@@ -42,20 +42,22 @@
     <variablelist>
       <varlistentry>
         <term><emphasis role="bold">INTERFACE</emphasis> — [<emphasis
-        role="bold">+</emphasis>]<emphasis>interface</emphasis>[<emphasis
+        role="bold">+</emphasis>]<emphasis>interfacelist</emphasis>[<emphasis
         role="bold">:</emphasis>[<emphasis>digit</emphasis>]][<emphasis
         role="bold">:</emphasis>[<emphasis>address</emphasis>[<emphasis
         role="bold">,</emphasis><emphasis>address</emphasis>]...[<emphasis>exclusion</emphasis>]]</term>
 
         <listitem>
-          <para>Outgoing <emphasis>interface</emphasis>. This is usually your
-          internet interface. If ADD_SNAT_ALIASES=Yes in <ulink
-          url="shorewall.conf.html">shorewall.conf</ulink>(5), you may add ":"
-          and a <emphasis>digit</emphasis> to indicate that you want the alias
-          added with that name (e.g., eth0:0). This will allow the alias to be
-          displayed with ifconfig. <emphasis role="bold">That is the only use
-          for the alias name; it may not appear in any other place in your
-          Shorewall configuratio</emphasis>n.</para>
+          <para>Outgoing <emphasis>interfacelist</emphasis>. Prior to
+          Shorewall 4.1.4, this must be a single interface name; in 4.1.4 and
+          later, this may be a comma-separated list of interface names. This
+          is usually your internet interface. If ADD_SNAT_ALIASES=Yes in
+          <ulink url="shorewall.conf.html">shorewall.conf</ulink>(5), you may
+          add ":" and a <emphasis>digit</emphasis> to indicate that you want
+          the alias added with that name (e.g., eth0:0). This will allow the
+          alias to be displayed with ifconfig. <emphasis role="bold">That is
+          the only use for the alias name; it may not appear in any other
+          place in your Shorewall configuratio</emphasis>n.</para>
 
           <para>The interface may be qualified by adding the character ":"
           followed by a comma-separated list of destination host or subnet
diff --git a/manpages/shorewall-nat.xml b/manpages/shorewall-nat.xml
index b9ff28717..962aa689f 100644
--- a/manpages/shorewall-nat.xml
+++ b/manpages/shorewall-nat.xml
@@ -57,11 +57,11 @@
 
       <varlistentry>
         <term><emphasis role="bold">INTERFACE</emphasis> —
-        <emphasis>interface</emphasis>[<emphasis
+        <emphasis>interfacelist</emphasis>[<emphasis
         role="bold">:</emphasis>[<emphasis>digit</emphasis>]]</term>
 
         <listitem>
-          <para>Interface that has the <emphasis
+          <para>Interfacees that have the <emphasis
           role="bold">EXTERNAL</emphasis> address. If ADD_IP_ALIASES=Yes in
           <ulink url="shorewall.conf.html">shorewall.conf</ulink>(5),
           Shorewall will automatically add the EXTERNAL address to this
@@ -70,8 +70,13 @@
           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>
+          cannot use it anwhere else in your Shorewall configuration.
+          </emphasis></para>
+
+          <para>Prior to Shorewall 4.1.4,
+          <replaceable>interfacelist</replaceable> must be a single interface
+          name. Beginning with Shorewall-perl 4.1.4, Shorewall-perl users may
+          specify a comma-separated list of interfaces.</para>
 
           <para>If you want to override ADD_IP_ALIASES=Yes for a particular
           entry, follow the interface name with ":" and no digit (e.g.,