diff --git a/model/ccn/ccn_random.cc b/model/ccn/ccn_random.cc
index 6e2dd0c..6176c79 100644
--- a/model/ccn/ccn_random.cc
+++ b/model/ccn/ccn_random.cc
@@ -1,4 +1,4 @@
-/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
+/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */
 /*
  * Copyright (c) 2011 University of California, Los Angeles
  *