diff --git a/reference/pdo/pdo/setattribute.xml b/reference/pdo/pdo/setattribute.xml
index fd810150a2..e59df3a4c7 100644
--- a/reference/pdo/pdo/setattribute.xml
+++ b/reference/pdo/pdo/setattribute.xml
@@ -77,6 +77,15 @@
      (available in OCI, Firebird and MySQL):
      Whether to autocommit every single statement.
     </para></listitem>
+    <listitem><para><literal>PDO::ATTR_EMULATE_PREPARES</literal>
+     Enables or disables emulation of prepared statements.  Some drivers do 
+     not support native prepared statements or have limited support for them.
+     Use this setting to force PDO to either always emulate prepared 
+     statements (if &true;), or to try to use native prepared statements (if 
+     &false;).  It will always fall back to emulating the prepared statement
+     if the driver cannot successfully prepare the current query. 
+     Requires <type>bool</type>.
+     </para></listitem>
     <listitem><para><literal>PDO::MYSQL_ATTR_USE_BUFFERED_QUERY</literal>
     (available in MySQL):
     Use buffered queries.