diff --git a/reference/filter/functions/filter-input.xml b/reference/filter/functions/filter-input.xml
index 5e16616aeb..ff1fa9b560 100644
--- a/reference/filter/functions/filter-input.xml
+++ b/reference/filter/functions/filter-input.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.1 $ -->
+<!-- $Revision: 1.2 $ -->
 <!-- Generated by xml_proto.php v2.4. Found in /scripts directory of phpdoc. -->
 <refentry id="function.filter-input">
  <refnamediv>
@@ -30,7 +30,8 @@
        One of <constant>INPUT_GET</constant>, <constant>INPUT_POST</constant>,
        <constant>INPUT_COOKIE</constant>, <constant>INPUT_SERVER</constant>,
        <constant>INPUT_ENV</constant>, <constant>INPUT_SESSION</constant> (not
-       implemented yet) and INPUT_REQUEST.
+       implemented yet) and <constant>INPUT_REQUEST</constant> (not
+       implemented yet).
       </para>
      </listitem>
     </varlistentry>