diff --git a/offapi/com/sun/star/form/binding/BindableControlModel.idl b/offapi/com/sun/star/form/binding/BindableControlModel.idl
index 7c1b8df20ba2..85a7ea9d2051 100644
--- a/offapi/com/sun/star/form/binding/BindableControlModel.idl
+++ b/offapi/com/sun/star/form/binding/BindableControlModel.idl
@@ -2,9 +2,9 @@
  *
  *  $RCSfile: BindableControlModel.idl,v $
  *
- *  $Revision: 1.2 $
+ *  $Revision: 1.3 $
  *
- *  last change: $Author: rt $ $Date: 2004-04-02 10:36:33 $
+ *  last change: $Author: obo $ $Date: 2004-11-16 11:06:12 $
  *
  *  The Contents of this file are made available subject to the terms of
  *  either of the following licenses
@@ -65,6 +65,9 @@
 #ifndef __com_sun_star_form_binding_XBindableValue_idl__
 #include <com/sun/star/form/binding/XBindableValue.idl>
 #endif
+#ifndef __com_sun_star_form_FormControlModel_idl__
+#include <com/sun/star/form/FormControlModel.idl>
+#endif
 
 //=============================================================================
 
@@ -75,6 +78,23 @@ module com {  module sun {  module star {  module form { module binding {
 */
 service BindableControlModel
 {
+    /** specifies the basic functionality for a form control model
+
+        <p>Via this service, bindable control models inherit the
+        <type scope="com::sun::star::util">XCloneable</type> interface.<br/>
+        If an bindable control model, at which a binding has been established (via
+        <member>XBindableValue::setValueBinding</member>), is being cloned, then the
+        binding is also established at the clone. Effectively, this means that
+        both control model instances share the same binding instance.</p>
+    */
+    service com::sun::star::form::FormControlModel;
+
+    /** specifies support for being bound to an external value
+
+        <p>When a <type>BindableControlModel</type> is bound to an external value,
+        then every change in the control model's value is <em>immediately</em> reflected
+        in the external binding.</p>
+    */
     interface XBindableValue;
 };