Update README.MD

README.MD

@@ -3,7 +3,7 @@
 [![GitHub](https://img.shields.io/badge/github-%23121011.svg?style=for-the-badge&logo=github&logoColor=white)](https://github.com/TRI-AMDD/bye-cycle)
 ![tests](https://github.com/TRI-AMDD/bye-cycle/actions/workflows/test.yml/badge.svg)
 [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat-square)](http://makeapullrequest.com)
-[![License: GPL v3](https://img.shields.io/badge/License-GPLv3-blue.svg)](https://www.gnu.org/licenses/gpl-3.0)
+[![License: CC BY-NC-ND 4.0](http://mirrors.creativecommons.org/presskit/buttons/88x31/svg/by-nc-nd.svg)](https://creativecommons.org/licenses/by-nc-nd/4.0/)
 [![DOI:10.26434/chemrxiv-2023-sm0lj](https://zenodo.org/badge/DOI/10.26434/chemrxiv-2023-sm0lj.svg)](https://doi.org/10.26434/chemrxiv-2023-sm0lj)
 
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