diff --git a/reference/pdo/reference.xml b/reference/pdo/reference.xml
index 32befb4fab..780fa24252 100644
--- a/reference/pdo/reference.xml
+++ b/reference/pdo/reference.xml
@@ -1,5 +1,5 @@
-
+
@@ -198,6 +198,15 @@ $dbh = new PDO('mysql:host=localhost;dbname=test', $user, $pass, array(
+
+
+ If you wish to use persistent connections, you must set
+ PDO::ATTR_PERSISTENT in the array of driver options
+ passed to the PDO constructor. If setting this attribute with
+ after instantiation of the
+ object, the driver will not use persistent connections.
+
+
If you're using the PDO ODBC driver and your ODBC libraries support ODBC