license

README.md

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 ### License
-The material in this repository is licensed under the [Creative Commons Attribution-Noncommercial 3.0 license](https://creativecommons.org/licenses/by-nc/3.0/). All code is dedicated to the public domain. If your country does not recognize my right to dedicate work to the public domain, you may the [MIT license](https://opensource.org/licenses/MIT).
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+<a rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/"><img alt="Creative Commons License" style="border-width:0" src="https://i.creativecommons.org/l/by-sa/4.0/88x31.png" /></a><br />
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+This work is licensed under a [Creative Commons Attribution-ShareAlike 4.0 International License](https://creativecommons.org/licenses/by-sa/4.0/)
+