Update CONTRIBUTING.md

CONTRIBUTING.md

@@ -26,7 +26,7 @@ By submitting code, assets, or documentation to the repository you are hereby ag
 
 - You grant Gilded Games and other users the right to use your contributions under one of the following respective licenses:
     - [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/) for assets in `/src/main/java/resources` and wiki pages.
-    - [GNU GPLv3](https://www.gnu.org/licenses/gpl-3.0.en.html) for code or other changes.
+    - [LGPL v3.0](https://www.gnu.org/licenses/lgpl-3.0.en.html) for code or other changes.
 - Your contributions are of your own work and are free of legal restrictions (such as patents or copyrights).
 
 If you have any questions about these terms, please [get in contact with us](mailto:[email protected]). **If you do not agree to these terms, please do not submit contributions to this repository.**