--- a/src/core/object-factory.h	Thu May 29 19:09:56 2008 -0700
+++ b/src/core/object-factory.h	Thu May 29 23:24:10 2008 -0700
@@ -29,6 +29,8 @@
 class AttributeValue;
 
 /**
+ * \ingroup object
+ *
  * \brief instantiate subclasses of ns3::Object.
  *
  * This class can also hold a set of attributes to set