docs: text improvements

refs #1897

Change-Id: Ic02a3764d5d597b82ed1adc564552016157ff07a
diff --git a/README-dev.md b/README-dev.md
index 829db11..60dc71f 100644
--- a/README-dev.md
+++ b/README-dev.md
@@ -4,7 +4,7 @@
 Code style
 ----------
 
-repo-ng code is subject to [ndn-cxx code style](http://named-data.net/doc/ndn-cxx/current/code-style.html).
+repo-ng code is subject to [ndn-cxx code style](https://named-data.net/doc/ndn-cxx/current/code-style.html).
 
 Licensing
 ---------
@@ -15,7 +15,7 @@
 
     /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
     /**
-     * Copyright (c) 2014,  Copyright Holder(s)
+     * Copyright (c) 2014-2017,  Copyright Holder(s)
      *
      * This file is part of NDN repo-ng (Next generation of NDN repository).
      * See AUTHORS.md for complete list of repo-ng authors and contributors.