diff --git a/reference/array/functions/natsort.xml b/reference/array/functions/natsort.xml
index 6e4af5af11..cd285c3f07 100644
--- a/reference/array/functions/natsort.xml
+++ b/reference/array/functions/natsort.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.9 $ -->
+<!-- $Revision: 1.10 $ -->
 <!-- splitted from ./en/functions/array.xml, last change in rev 1.25 -->
   <refentry id="function.natsort">
    <refnamediv>
@@ -12,7 +12,7 @@
     <title>Description</title>
      <methodsynopsis>
       <type>void</type><methodname>natsort</methodname>
-      <methodparam><type>array</type><parameter>array</parameter></methodparam>
+      <methodparam><type>array</type><parameter>&amp;array</parameter></methodparam>
      </methodsynopsis>
     <para>
      This function implements a sort algorithm that orders