diff --git a/README.rst b/README.rst
index 2172a85..d3b87ea 100644
--- a/README.rst
+++ b/README.rst
@@ -18,7 +18,9 @@ Installation
 From Source Code
 ----------------
 
-Currently supports Python 3.10 (see Github Actions)
+Currently supports Python 3.10 under Ubuntu 20.04 (see Github Actions).
+
+IMPORTANT: For support in other Python versions and/or OS, users are invited to work on the case and submmit a PR. Help making the project more generic!
 
 .. code-block:: bash