diff --git a/reference/pdo/constants.xml b/reference/pdo/constants.xml
index b01948536b..c774484226 100644
--- a/reference/pdo/constants.xml
+++ b/reference/pdo/constants.xml
@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='iso-8859-1'?>
-<!-- $Revision: 1.15 $ -->
+<!-- $Revision: 1.16 $ -->
 <!-- Generated by xml_proto.php v2.1. Found in /scripts directory of phpdoc. -->
 <section id="pdo.constants">
  &reftitle.constants;
@@ -283,7 +283,7 @@
    </term>
    <listitem>
     <simpara>
-
+     Available since PHP 5.2.0
     </simpara>
    </listitem>
   </varlistentry>
@@ -540,7 +540,7 @@ if ($db->getAttribute(PDO::ATTR_DRIVER_NAME) == 'mysql') {
    </term>
    <listitem>
     <simpara> 
-
+     Available since PHP 5.2.0
     </simpara>
    </listitem>
   </varlistentry>