diff --git a/model/ccnx-net-device-face.h b/model/ccnx-net-device-face.h
index 6307413..e6fbc12 100644
--- a/model/ccnx-net-device-face.h
+++ b/model/ccnx-net-device-face.h
@@ -69,7 +69,7 @@
 
   virtual void
   Send (Ptr<Packet> p);
-
+  
   virtual std::ostream&
   Print (std::ostream &os) const;
   ////////////////////////////////////////////////////////////////////