--- a/src/common/header.h	Thu May 29 23:24:10 2008 -0700
+++ b/src/common/header.h	Fri May 30 10:36:02 2008 -0700
@@ -28,7 +28,7 @@
 namespace ns3 {
 
 /**
- * \ingroup Packet
+ * \ingroup packet
  *
  * \brief Protocol header serialization and deserialization.
  *