diff --git a/superset/config.py b/superset/config.py
index 1cce91e91..58a6b0d0c 100644
--- a/superset/config.py
+++ b/superset/config.py
@@ -892,7 +892,7 @@ RLS_FORM_QUERY_REL_FIELDS: Optional[Dict[str, List[List[Any]]]] = None
 #
 SESSION_COOKIE_HTTPONLY = True  # Prevent cookie from being read by frontend JS?
 SESSION_COOKIE_SECURE = False  # Prevent cookie from being transmitted over non-tls?
-SESSION_COOKIE_SAMESITE = "Lax"  # One of [None, 'Lax', 'Strict']
+SESSION_COOKIE_SAMESITE = "Lax"  # One of [None, 'None', 'Lax', 'Strict']
 
 # Flask configuration variables
 SEND_FILE_MAX_AGE_DEFAULT = 60 * 60 * 24 * 365  # Cache static resources