Update README.md

Author: twisti-dev

README.md

@@ -129,10 +129,10 @@ assertFailsWith<IllegalArgumentException> {
 
 ## 📝 License
 
-This project is licensed under the MIT License.
+This project is licensed under the GPL-3.0 license.
 
 ---
 
 ## 👨‍💻 Contributing
 
-Pull requests are welcome! Feel free to open an issue if you find a bug or have a feature request.
+Pull requests are welcome! Feel free to open an issue if you find a bug or have a feature request.