diff --git a/reference/spl/simplexmliterator/valid.xml b/reference/spl/simplexmliterator/valid.xml
index ba9b65bb14..edb14bac9d 100644
--- a/reference/spl/simplexmliterator/valid.xml
+++ b/reference/spl/simplexmliterator/valid.xml
@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='iso-8859-1'?>
-<!-- $Revision: 1.5 $ -->
+<!-- $Revision: 1.6 $ -->
 <refentry xml:id="simplexmliterator.valid" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
   <refname>SimpleXMLIterator::valid</refname>
@@ -12,7 +12,9 @@
    <void/>
   </methodsynopsis>
   <para>
-   This method checks if the current element is valid after calls to rewind() or next().
+   This method checks if the current element is valid after calls to
+   <function>SimpleXMLIterator::rewind</function> or
+   <function>SimpleXMLIterator::next</function>.
   </para>
  </refsect1>