Update documentation

Author: hazzik

doc/reference/modules/basic_mapping.xml

@@ -2081,7 +2081,8 @@
 
             <para>
                 The <literal>&lt;dynamic-component&gt;</literal> element allows an <literal>IDictionary</literal>
-                to be mapped as a component, where the property names refer to keys of the dictionary.
+                or <literal>IDictionary<string, object></literal>to be mapped as a component, where the property 
+                names refer to keys of the dictionary.
             </para>
 
         </sect2>