--- a/src/devices/wifi/edca-txop-n.h	Tue Sep 15 13:14:37 2009 +0200
+++ b/src/devices/wifi/edca-txop-n.h	Tue Sep 15 14:33:04 2009 +0200
@@ -101,6 +101,9 @@
   void NotifyAccessGranted (void);
   void NotifyInternalCollision (void);
   void NotifyCollision (void);
+  /**
+  * When a channel switching occurs, enqueued packets are removed.
+  */
   void NotifyChannelSwitching (void);
 
   /*event handlers*/