diff --git a/src/util/regex/regex-backref-matcher.hpp b/src/util/regex/regex-backref-matcher.hpp
index aa00605..6ca7258 100644
--- a/src/util/regex/regex-backref-matcher.hpp
+++ b/src/util/regex/regex-backref-matcher.hpp
@@ -1,8 +1,15 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
 /**
- * Copyright (C) 2013 Regents of the University of California.
- * @author: 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 Yingdi Yu <http://irl.cs.ucla.edu/~yingdi/>
  */
 
 #ifndef NDN_UTIL_REGEX_REGEX_BACKREF_MATCHER_HPP
@@ -38,7 +45,8 @@
 
 namespace ndn {
 
-inline RegexBackrefMatcher::RegexBackrefMatcher(const std::string& expr, shared_ptr<RegexBackrefManager> backRefManager)
+inline RegexBackrefMatcher::RegexBackrefMatcher(const std::string& expr,
+                                                shared_ptr<RegexBackrefManager> backRefManager)
   : RegexMatcher (expr, EXPR_BACKREF, backRefManager)
 {
   // compile();
@@ -51,7 +59,8 @@
   if ('(' == m_expr[0] && ')' == m_expr[lastIndex]){
     // m_backRefManager->pushRef(this);
 
-    shared_ptr<RegexMatcher> matcher(new RegexPatternListMatcher(m_expr.substr(1, lastIndex - 1), m_backrefManager));
+    shared_ptr<RegexMatcher> matcher(new RegexPatternListMatcher(m_expr.substr(1, lastIndex - 1),
+                                                                 m_backrefManager));
     m_matcherList.push_back(matcher);
   }
   else