diff --git a/README-dev.md b/README-dev.md
index e7acc71..d29f34b 100644
--- a/README-dev.md
+++ b/README-dev.md
@@ -6,24 +6,26 @@
 If you choose the GPL v3, please use the following license boilerplate in all `.hpp`
 and `.cpp` files:
 
-    /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
-    /*
-     * Copyright (c) [Year(s)] [Copyright Holder(s)].
-     *
-     * This file is part of ndn-tools (Named Data Networking Essential Tools).
-     * See AUTHORS.md for complete list of ndn-tools authors and contributors.
-     *
-     * ndn-tools 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-tools 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-tools, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
-     */
+```cpp
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) [Year(s)], [Copyright Holder(s)].
+ *
+ * This file is part of ndn-tools (Named Data Networking Essential Tools).
+ * See AUTHORS.md for complete list of ndn-tools authors and contributors.
+ *
+ * ndn-tools 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-tools 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-tools, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+```
 
 ## Directory Structure and Build Script