diff --git a/manpages/shorewall-accounting.xml b/manpages/shorewall-accounting.xml
index f78b868fb..598a306f5 100644
--- a/manpages/shorewall-accounting.xml
+++ b/manpages/shorewall-accounting.xml
@@ -429,13 +429,17 @@
 
           <itemizedlist>
             <listitem>
-              <para>A chain NAME may not appear in the ACTION column.</para>
+              <para>A chain NAME may appearing in the ACTION column must be a
+              chain branched either directly or indirectly from the <emphasis
+              role="bold">accountin</emphasis> or <emphasis
+              role="bold">accountout</emphasis> chain.</para>
             </listitem>
 
             <listitem>
               <para>The CHAIN column must contain either <emphasis
               role="bold">accountin</emphasis> or <emphasis
-              role="bold">accountout</emphasis>.</para>
+              role="bold">accountout</emphasis> or a chain branched either
+              directly or indirectly from those chains.</para>
             </listitem>
           </itemizedlist>
 
diff --git a/manpages6/shorewall6-accounting.xml b/manpages6/shorewall6-accounting.xml
index ea6685d71..3a073fac4 100644
--- a/manpages6/shorewall6-accounting.xml
+++ b/manpages6/shorewall6-accounting.xml
@@ -428,13 +428,17 @@
 
           <itemizedlist>
             <listitem>
-              <para>A chain NAME may not appear in the ACTION column.</para>
+              <para>A chain NAME may appearing in the ACTION column must be a
+              chain branched either directly or indirectly from the <emphasis
+              role="bold">accountin</emphasis> or <emphasis
+              role="bold">accountout</emphasis> chain.</para>
             </listitem>
 
             <listitem>
               <para>The CHAIN column must contain either <emphasis
-              role="bold">accipsecin</emphasis> or <emphasis
-              role="bold">accipsecout</emphasis>.</para>
+              role="bold">accountin</emphasis> or <emphasis
+              role="bold">accountout</emphasis> or a chain branched either
+              directly or indirectly from those chains.</para>
             </listitem>
           </itemizedlist>