--- a/src/node/queue.cc	Tue Aug 28 09:37:10 2007 +0200
+++ b/src/node/queue.cc	Tue Aug 28 11:01:00 2007 +0200
@@ -103,9 +103,12 @@
 Queue::GetTraceResolver (void)
 {
   Ptr<CompositeTraceResolver> resolver = Create<CompositeTraceResolver> ();
-  resolver->AddSource ("enqueue", m_traceEnqueue, QueueTraceType (QueueTraceType::ENQUEUE));
-  resolver->AddSource ("dequeue", m_traceDequeue, QueueTraceType (QueueTraceType::DEQUEUE));
-  resolver->AddSource ("drop", m_traceDrop, QueueTraceType (QueueTraceType::DROP));
+  resolver->AddSource ("enqueue", "store packet in queue",
+                       m_traceEnqueue, QueueTraceType (QueueTraceType::ENQUEUE));
+  resolver->AddSource ("dequeue", "remove packet from queue",  
+                       m_traceDequeue, QueueTraceType (QueueTraceType::DEQUEUE));
+  resolver->AddSource ("drop", "drop packet from queue", 
+                       m_traceDrop, QueueTraceType (QueueTraceType::DROP));
   resolver->SetParent (Object::GetTraceResolver ());
   return resolver;
 }