diff --git a/reference/dom/functions/dom-domdocument-xinclude.xml b/reference/dom/functions/dom-domdocument-xinclude.xml
index abbb439fca..36ef35b484 100644
--- a/reference/dom/functions/dom-domdocument-xinclude.xml
+++ b/reference/dom/functions/dom-domdocument-xinclude.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.6 $ -->
+<!-- $Revision: 1.7 $ -->
 <refentry id="function.dom-domdocument-xinclude">
  <refnamediv>
   <refname>DOMDocument->xinclude()</refname>
@@ -14,7 +14,7 @@
    <methodsynopsis>
     <type>int</type>
     <methodname>xinclude</methodname>
-    <void/>
+    <methodparam choice="opt"><type>int</type><parameter>options</parameter></methodparam>
    </methodsynopsis>
   </classsynopsis>
   <para>
@@ -28,6 +28,22 @@
    </para>
   </note>
  </refsect1>
+ <refsect1 role="parameters">
+  &reftitle.parameters;
+  <para>
+   <variablelist>
+    <varlistentry>
+     <term><parameter>options</parameter></term>
+     <listitem>
+      <para>
+       <link linkend="simplexml.constants">Libxml parameters</link>. Available
+       since PHP 5.1.0 and Libxml 2.6.0.
+      </para>
+     </listitem>
+    </varlistentry>
+   </variablelist>
+  </para>
+ </refsect1>
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>