diff --git a/README.md b/README.md
index 5111063..7dc6af3 100644
--- a/README.md
+++ b/README.md
@@ -23,4 +23,10 @@ It has also some changes in order to improve fingerprinting like canvas.poisonda
 ## Thanks:
 
 * [Arkenfox user.js](https://github.com/arkenfox/user.js)
-* [Pale Moon Browser Spyware Mitigation Guide](https://spyware.neocities.org/guides/palemoon.html)
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+* [Pale Moon Browser Spyware Mitigation Guide](https://spyware.neocities.org/guides/palemoon.html)
+
+## License
+
+GNU General Public License v3.0.
+
+See `LICENSE` for more details.
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