1 files changed, 4 insertions, 0 deletions
diff --git a/docs/sample_config.yaml b/docs/sample_config.yaml
index 545226f753..743949945a 100644
--- a/docs/sample_config.yaml
+++ b/docs/sample_config.yaml
@@ -1444,6 +1444,10 @@ sso:
     # phishing attacks from evil.site. To avoid this, include a slash after the
     # hostname: "https://my.client/".
     #
+    # If public_baseurl is set, then the login fallback page (used by clients
+    # that don't natively support the required login flows) is whitelisted in
+    # addition to any URLs in this list.
+    #
     # By default, this list is empty.
     #
     #client_whitelist: