Fix #47569: DOTNET cannot instantiate generic classes

Author: cmb69

reference/com/dotnet.xml

@@ -15,6 +15,8 @@
    </para>
    <para>
     Neither instantiating static classes nor calling static methods is supported.
+    Instantiating generic classes such as <literal>System.Collections.Generic.List</literal>
+    is not supported either.
    </para>
    <para>
     Some .Net classes do not implement IDispatch, so while they can be instantiated,