diff --git a/docs/xml/lcl/controls.xml b/docs/xml/lcl/controls.xml
index d685e37109..ab06437ea7 100644
--- a/docs/xml/lcl/controls.xml
+++ b/docs/xml/lcl/controls.xml
@@ -868,11 +868,17 @@ representing the arguments and the result for a Control Change Message.
 <element name="TCMControlChange.Msg">
 <short>Mouse message constant for the change notification.</short>
 </element>
+<element name="TCMControlChange.UnusedMsg">
+<short>Padding added for alignment on 64-bit platforms.</short>
+</element>
 <element name="TCMControlChange.Control">
 <short>Control to receive the change message.</short>
 </element>
 <element name="TCMControlChange.Inserting">
-<short>Indicates if the control message is an insert operation.</short>
+<short>
+Indicates if the control message is an insert operation. QwordBool for 64-bit 
+platforms, LongBool for other platforms.
+</short>
 </element>
 <element name="TCMControlChange.Result">
 <short>Result for the control change message.</short>
@@ -882,6 +888,7 @@ representing the arguments and the result for a Control Change Message.
 <short>Not used in the current LCL implementation.</short>
 </element>
 <element name="TCMChanged.Msg"/>
+<element name="TCMChanged.UnusedMsg"/>
 <element name="TCMChanged.Unused"/>
 <element name="TCMChanged.Child"/>
 <element name="TCMChanged.Result"/>
@@ -890,6 +897,7 @@ representing the arguments and the result for a Control Change Message.
 <short>Not used in the current LCL implementation.</short>
 </element>
 <element name="TCMControlListChange.Msg"/>
+<element name="TCMControlListChange.UnusedMsg"/>
 <element name="TCMControlListChange.Control"/>
 <element name="TCMControlListChange.Inserting"/>
 <element name="TCMControlListChange.Result"/>
@@ -935,6 +943,11 @@ Contains information representing a CM_CANCELMODE control message.
 Message constant.
 </short>
 </element>
+<element name="TCMCancelMode.UnusedMsg">
+<short>
+Padding for alignment on 64-bit platforms.
+</short>
+</element>
 <element name="TCMCancelMode.Unused">
 <short>
 Padding for alignment.