diff --git a/reference/domxml/functions/xpath-eval.xml b/reference/domxml/functions/xpath-eval.xml
index c9c6a86a48..2342c55365 100644
--- a/reference/domxml/functions/xpath-eval.xml
+++ b/reference/domxml/functions/xpath-eval.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.2 $ -->
+<!-- $Revision: 1.3 $ -->
 <!-- splitted from ./en/functions/domxml.xml, last change in rev 1.38 -->
   <refentry id="function.xpath-eval">
    <refnamediv>
@@ -13,6 +13,7 @@
      <methodsynopsis>
       <type>array</type><methodname>xpath_eval</methodname>
       <methodparam><type>object</type><parameter>xpath context</parameter></methodparam>
+      <methodparam><type>string</type><parameter>xpath expression</parameter></methodparam>
      </methodsynopsis>
     &warn.experimental.func;
     <para>