diff --git a/README.md b/README.md
index 03b2165..448fe12 100644
--- a/README.md
+++ b/README.md
@@ -5,3 +5,14 @@ Some bash scripts
 Play audio file with play program, all the musics present in the desinged folder. In the script, indicate the music folder and the desired volume.
 
 
+# Licence
+Shield: [![CC BY-SA 4.0][cc-by-sa-shield]][cc-by-sa]
+
+This work is licensed under a
+[Creative Commons Attribution-ShareAlike 4.0 International License][cc-by-sa].
+
+[![CC BY-SA 4.0][cc-by-sa-image]][cc-by-sa]
+
+[cc-by-sa]: http://creativecommons.org/licenses/by-sa/4.0/
+[cc-by-sa-image]: https://licensebuttons.net/l/by-sa/4.0/88x31.png
+[cc-by-sa-shield]: https://img.shields.io/badge/License-CC%20BY--SA%204.0-lightgrey.svg