update copyright year

2017-01-27 10:02:27 -05:00 · 2017-01-27 10:02:27 -05:00 · 8e2f4896f9
--- a/README.md
+++ b/README.md
@ -48,6 +48,6 @@ Visit the [Contributor Guidelines](CONTRIBUTING.md) for details on how to contri

 ## Copyright

-Copyright 2015 - 2016 GitHub, Inc.
+Copyright 2015 - 2017 GitHub, Inc.

 Licensed under the [MIT License](LICENSE.md)