diff --git a/user_manual/groupware/mail.rst b/user_manual/groupware/mail.rst
index bd20f7451..4bcf80893 100644
--- a/user_manual/groupware/mail.rst
+++ b/user_manual/groupware/mail.rst
@@ -226,6 +226,8 @@ When you open a message in the Mail app, it proposes AI-generated replies. By si
 
 .. note:: Please note that the feature has to be enabled by the administrator
 
+.. note:: Supported languages depend on the used large language model
+
 Filtering and autoresponder
 ---------------------------