diff --git a/reference/pdo/pdostatement/bindcolumn.xml b/reference/pdo/pdostatement/bindcolumn.xml
index 87cedf83d8..6d30a7c65a 100644
--- a/reference/pdo/pdostatement/bindcolumn.xml
+++ b/reference/pdo/pdostatement/bindcolumn.xml
@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='iso-8859-1'?>
-<!-- $Revision: 1.3 $ -->
+<!-- $Revision: 1.4 $ -->
 <refentry xml:id="pdostatement.bindcolumn" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
   <refname>PDOStatement->bindColumn</refname>
@@ -65,6 +65,24 @@
       </listitem>
      </varlistentry>
     </variablelist>
+    <varlistentry>
+     <term><parameter>maxlen</parameter></term>
+      <listitem>
+       <para>
+        A hint for pre-allocation.
+       </para>
+      </listitem>
+     </varlistentry>
+    </variablelist>
+    <varlistentry>
+     <term><parameter>driverdata</parameter></term>
+      <listitem>
+       <para>
+        Optional parameter(s) for the driver.
+       </para>
+      </listitem>
+     </varlistentry>
+    </variablelist>
   </para>
  </refsect1>