diff --git a/src/zone.cpp b/src/zone.cpp
index 9483941..f5a33ba 100644
--- a/src/zone.cpp
+++ b/src/zone.cpp
@@ -1,25 +1,36 @@
-/*
- * zone.cpp
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014, Regents of the University of California.
  *
- *  Created on: 18 Jul, 2014
- *      Author: shock
+ * This file is part of NDNS (Named Data Networking Domain Name Service).
+ * See AUTHORS.md for complete list of NDNS authors and contributors.
+ *
+ * NDNS 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.
+ *
+ * NDNS 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
+ * NDNS, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "zone.h"
+#include "zone.hpp"
 
 namespace ndn {
+namespace ndns {
 
 Zone::Zone() {
-	// TODO Auto-generated constructor stub
-
 }
 
 Zone::~Zone() {
-	// TODO Auto-generated destructor stub
 }
 
-const RR Zone::hasName(string key) {
-	return "example.key";
+const RR Zone::hasName(const std::string& key) {
+  return "example.key";
 }
 
-} /* namespace ndn */
+} // namespace ndns
+} // namespace ndn