Update README.md

Author: JWeinelt

README.md

@@ -60,7 +60,7 @@ CodeLib has a full documented API. [View the Wiki here](https://github.com/JWein
 
 ## 🤝 License
 
-This project is licensed under  [GNU GPL v3 License](https://github.com/JWeinelt/codelib?tab=GPL-3.0-1-ov-file).
+This project is licensed under the [GNU GPL v3 License](https://www.gnu.org/licenses/gpl-3.0.html).
 
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