diff --git a/reference/var/functions/intval.xml b/reference/var/functions/intval.xml
index 6fa9ae7196..a7c2ed8720 100644
--- a/reference/var/functions/intval.xml
+++ b/reference/var/functions/intval.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.2 $ -->
+<!-- $Revision: 1.3 $ -->
 <!-- splitted from ./en/functions/var.xml, last change in rev 1.2 -->
   <refentry id="function.intval">
    <refnamediv>
@@ -21,6 +21,8 @@
     <simpara>
      <parameter>var</parameter> may be any scalar type. You cannot use
      <function>intval</function> on <type>array</type>s or <type>object</type>s.
+     Common rules of <link linkend="language.types.integer.casting">converting
+     to integer</link> apply.
     </simpara>
     <note>
      <para>