diff --git a/tests/unit-tests/empty-test.cpp b/tests/unit-tests/empty-test.cpp
index 63f4313..8b3bd34 100644
--- a/tests/unit-tests/empty-test.cpp
+++ b/tests/unit-tests/empty-test.cpp
@@ -1,20 +1,20 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2014-2015,  Regents of the University of California
+ * Copyright (c) 2014-2018, Regents of the University of California
  *
- * This file is part of ndn-group-encrypt (Group-based Encryption Protocol for NDN).
- * See AUTHORS.md for complete list of ndn-group-encrypt authors and contributors.
+ * This file is part of NAC (Name-Based Access Control for NDN).
+ * See AUTHORS.md for complete list of NAC authors and contributors.
  *
- * ndn-group-encrypt is free software: you can redistribute it and/or modify it under the terms
+ * NAC is free software: you can redistribute it and/or modify it under the terms
  * of the GNU General Public License as published by the Free Software Foundation,
  * either version 3 of the License, or (at your option) any later version.
  *
- * ndn-group-encrypt is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * NAC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  * PURPOSE.  See the GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License along with
- * ndn-group-encrypt, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ * NAC, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include "common.hpp"
@@ -22,7 +22,7 @@
 #include "boost-test.hpp"
 
 namespace ndn {
-namespace gep {
+namespace nac {
 namespace tests {
 
 BOOST_AUTO_TEST_SUITE(EmptySuite)
@@ -35,5 +35,5 @@
 BOOST_AUTO_TEST_SUITE_END()
 
 } // namespace tests
-} // namespace gep
+} // namespace nac
 } // namespace ndn