1 files changed, 1 insertions, 0 deletions
diff --git a/synapse/storage/prepare_database.py b/synapse/storage/prepare_database.py
index b95434f031..9cc3b51fe6 100644
--- a/synapse/storage/prepare_database.py
+++ b/synapse/storage/prepare_database.py
@@ -33,6 +33,7 @@ logger = logging.getLogger(__name__)
 # schema files, so the users will be informed on server restarts.
 # XXX: If you're about to bump this to 59 (or higher) please create an update
 # that drops the unused `cache_invalidation_stream` table, as per #7436!
+# XXX: Also add an update to drop `account_data_max_stream_id` as per #7656!
 SCHEMA_VERSION = 58
 
 dir_path = os.path.abspath(os.path.dirname(__file__))