diff --git a/language/context/socket.xml b/language/context/socket.xml
index 15ba11fecb..7867b9f7db 100644
--- a/language/context/socket.xml
+++ b/language/context/socket.xml
@@ -38,6 +38,20 @@
       </note>
      </listitem>
     </varlistentry>
+    <varlistentry xml:id="context.socket.backlog">
+     <term><parameter>backlog</parameter></term>
+     <listitem>
+      <para>
+       Used to  limit  the  number  of  outstanding  connections  in  the
+       socket's  listen  queue.
+      </para>
+      <note>
+       <para>
+        This is only applicable to <function>stream_socket_server</function>.
+       </para>
+      </note>
+     </listitem>
+    </varlistentry>
    </variablelist>
   </para>
  </refsect1><!-- }}} -->
@@ -60,6 +74,12 @@
         Added <literal>bindto</literal>.
        </entry>
       </row>
+      <row>
+       <entry>5.3.3</entry>
+       <entry>
+        Added <literal>backlog</literal>.
+       </entry>
+      </row>
      </tbody>
     </tgroup>
    </informaltable>