1 files changed, 2 insertions, 1 deletions
diff --git a/synapse/config/oidc.py b/synapse/config/oidc.py
index fc95912d9b..5d571651cb 100644
--- a/synapse/config/oidc.py
+++ b/synapse/config/oidc.py
@@ -183,7 +183,8 @@ class OIDCConfig(Config):
         #             localpart_template: Jinja2 template for the localpart of the MXID.
         #                 If this is not set, the user will be prompted to choose their
         #                 own username (see the documentation for the
-        #                 'sso_auth_account_details.html' template).
+        #                 'sso_auth_account_details.html' template). This template can
+        #                 use the 'localpart_from_email' filter.
         #
         #             confirm_localpart: Whether to prompt the user to validate (or
         #                 change) the generated localpart (see the documentation for the