--- a/src/wimax/model/cid.h	Tue May 24 21:31:35 2011 -0700
+++ b/src/wimax/model/cid.h	Tue May 24 22:14:03 2011 -0700
@@ -29,6 +29,9 @@
 
 namespace ns3 {
 
+/**
+ * \ingroup wimax
+ */
 class Cid
 {
 public: