diff --git a/src/security/sec-tpm-file.hpp b/src/security/sec-tpm-file.hpp
index 4dbbf79..4b8496e 100644
--- a/src/security/sec-tpm-file.hpp
+++ b/src/security/sec-tpm-file.hpp
@@ -1,9 +1,17 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
 /**
- * Copyright (C) 2013 Regents of the University of California.
- * @author: Xingyu Ma <maxy12@cs.ucla.edu>
- *          Yingdi Yu <yingdi@cs.ucla.edu>
- * See COPYING for copyright and distribution information.
+ * Copyright (c) 2013-2014,  Regents of the University of California.
+ * All rights reserved.
+ *
+ * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
+ * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
+ *
+ * This file licensed under New BSD License.  See COPYING for detailed information about
+ * ndn-cxx library copyright, permissions, and redistribution restrictions.
+ *
+ * @author Xingyu Ma <http://www.linkedin.com/pub/xingyu-ma/1a/384/5a8>
+ * @author Yingdi Yu <http://irl.cs.ucla.edu/~yingdi/>
+ * @author Alexander Afanasyev <http://lasr.cs.ucla.edu/afanasyev/index.html>
  */
 
 #ifndef NDN_SECURITY_SEC_TPM_FILE_HPP