diff --git a/README.md b/README.md
index e6269bcc6..36fe6d8e3 100644
--- a/README.md
+++ b/README.md
@@ -27,6 +27,8 @@ Users who want to test and take benefits from the last software implementations
 The software is licensed under [GNU/GPL](https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html).  
 You are free to use, copy, modify and redistribute it under the terms of the license.
 
+Permission is not granted to use this software or any of the associated files
+as sample data for the purposes of building machine learning models.
 
 Like many other open source software, QElectroTech is provided as is, without any warranty.