diff --git a/session_db/readme/DESCRIPTION.rst b/session_db/readme/DESCRIPTION.rst
index 2b129a053..ee705201a 100644
--- a/session_db/readme/DESCRIPTION.rst
+++ b/session_db/readme/DESCRIPTION.rst
@@ -1 +1,3 @@
-Store sessions in a database instead of the filesystem.
+Store sessions in a database instead of the filesystem. This simplifies the
+configuration of horizontally scalable deployments, by avoiding the need for a
+distributed filesystem to store the Odoo sessions.