diff --git a/README.md b/README.md
index cf20a07..a4a0685 100644
--- a/README.md
+++ b/README.md
@@ -6,4 +6,7 @@ Salty is a simple encryption tool I made during my free time, using libsodium. I
 - -key: Takes a password up to 128 characters in length.
 - -d: Enables decryption mode.
 ## Compatibility
-For now, the program has only been tested on Linux with glibc.
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+For now, the program has only been tested on Linux with glibc.
+
+## License
+This software is licensed under the GNU General Public License v3. See [COPYING](./COPYING).
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