diff --git a/src/util/regex/regex-top-matcher.cpp b/src/util/regex/regex-top-matcher.cpp
index 78cb389..b00a891 100644
--- a/src/util/regex/regex-top-matcher.cpp
+++ b/src/util/regex/regex-top-matcher.cpp
@@ -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/>
  */
 
 #include "regex-top-matcher.hpp"
@@ -84,7 +91,8 @@
 {
   Name result;
 
-  shared_ptr<RegexBackrefManager> backRefManager = (m_secondaryUsed ? m_secondaryBackRefManager : m_primaryBackRefManager);
+  shared_ptr<RegexBackrefManager> backRefManager =
+    (m_secondaryUsed ? m_secondaryBackRefManager : m_primaryBackRefManager);
 
   int backRefNum = backRefManager->size();
 
@@ -116,8 +124,10 @@
           }
           else if (index <= backRefNum)
             {
-              std::vector<name::Component>::const_iterator it = backRefManager->getBackRef (index - 1)->getMatchResult ().begin();
-              std::vector<name::Component>::const_iterator end = backRefManager->getBackRef (index - 1)->getMatchResult ().end();
+              std::vector<name::Component>::const_iterator it =
+                backRefManager->getBackRef (index - 1)->getMatchResult ().begin();
+              std::vector<name::Component>::const_iterator end =
+                backRefManager->getBackRef (index - 1)->getMatchResult ().end();
               for(; it != end; it++)
                 result.append (*it);
             }