diff --git a/docs/configuration_file_basics.xml b/docs/configuration_file_basics.xml
index 188be8573..fe61c8398 100644
--- a/docs/configuration_file_basics.xml
+++ b/docs/configuration_file_basics.xml
@@ -1992,6 +1992,14 @@ SSH(ACCEPT)    net:$MYIP      $FW
         </listitem>
       </varlistentry>
 
+      <varlistentry>
+        <term>@action(@{action})</term>
+
+        <listitem>
+          <para>Expands to the name of the action being compiled.</para>
+        </listitem>
+      </varlistentry>
+
       <varlistentry>
         <term>@disposition (@{disposition})</term>