diff --git a/reference/com/compersisthelper/construct.xml b/reference/com/compersisthelper/construct.xml
index 223733c87a..f9b5504e39 100644
--- a/reference/com/compersisthelper/construct.xml
+++ b/reference/com/compersisthelper/construct.xml
@@ -27,10 +27,14 @@
     <listitem>
      <simpara>
       A <acronym>COM</acronym> object which implements <interfacename>IDispatch</interfacename>.
-      To be able to call any of <classname>COMPersistHelper</classname>'s methods, the object
+      To be able to successfully call any of <classname>COMPersistHelper</classname>'s methods, the object
       has to implement <interfacename>IPersistFile</interfacename>, <interfacename>IPersistStream</interfacename>
       and/or <interfacename>IPersistStreamInit</interfacename>.
      </simpara>
+     <simpara>
+      Passing &null; as <parameter>com_object</parameter> is only useful if the object is to be
+      loaded from a stream by calling <methodname>COMPersistHelper::LoadFromStream</methodname>.
+     </simpara>
     </listitem>
    </varlistentry>
   </variablelist>