--- a/src/network/model/node.h	Fri May 13 14:57:10 2011 -0400
+++ b/src/network/model/node.h	Fri May 13 14:57:43 2011 -0400
@@ -145,7 +145,7 @@
    * \param packetType type of packet received
    *                   (broadcast/multicast/unicast/otherhost); Note:
    *                   this value is only valid for promiscuous mode
-   *                   protocol handlers.  
+   *                   protocol handlers.
    */
   typedef Callback<void,Ptr<NetDevice>, Ptr<const Packet>,uint16_t,const Address &,
                    const Address &, NetDevice::PacketType> ProtocolHandler;
@@ -174,7 +174,7 @@
    */
   void UnregisterProtocolHandler (ProtocolHandler handler);
 
-  
+
   /**
    * \returns true if checksums are enabled, false otherwise.
    */