Index: phpdoc/en/reference/ibm_db2/functions/db2-pconnect.xml
===================================================================
--- phpdoc/en/reference/ibm_db2/functions/db2-pconnect.xml	(revision 302848)
+++ phpdoc/en/reference/ibm_db2/functions/db2-pconnect.xml	(working copy)
@@ -21,7 +21,21 @@
 
   <para>
    Returns a persistent connection to an IBM DB2 Universal Database, IBM
-   Cloudscape, or Apache Derby database. For more information on persistent
+   Cloudscape, or Apache Derby database. 
+  </para>
+  <note>
+   <para>
+    (PECL ibm_db2 >= 1.9.0)
+   </para>
+   <para>
+    The extension does a transaction rollback on persistent 
+    connections at the end of a request, thus ending the transaction. This prevents 
+    the transaction block from carrying over to the next request which uses that 
+    connection if script execution ends before the transaction block does.
+   </para>
+  </note>
+  <para>
+   For more information on persistent
    connections, refer to <xref linkend='features.persistent-connections' />.
   </para>
 
