diff --git a/README.md b/README.md
index af708d1..f307ded 100644
--- a/README.md
+++ b/README.md
@@ -10,3 +10,5 @@ It needs 3 parameters to work properly:
 Download & Install : https://addons.mozilla.org/fr/addon/add-to-semantic-scuttle
 
 Source & support : https://github.com/FrenchHope/Add-to-Semantic-Scuttle-WebExt
+
+The Addon icon is published under GNU General Public License version 2.0 (GPLv2) https://sourceforge.net/projects/semanticscuttle/