diff --git a/changelog.d/12969.misc b/changelog.d/12969.misc
new file mode 100644
index 0000000000000000000000000000000000000000..05de7ce83921350abfb5118e4f362b132ef9cc0b
--- /dev/null
+++ b/changelog.d/12969.misc
@@ -0,0 +1 @@
+Fix an inaccurate comment.
diff --git a/synapse/storage/databases/main/state.py b/synapse/storage/databases/main/state.py
index bdd00273cd19730e6f5d1f007061eec41f957569..5e6efbd0fc920da8502e56bfe4c861f85c0e90f3 100644
--- a/synapse/storage/databases/main/state.py
+++ b/synapse/storage/databases/main/state.py
@@ -127,13 +127,8 @@ class StateGroupWorkerStore(EventsWorkerStore, SQLBaseStore):
             NotFoundError: if the room is unknown
         """
 
-        # First we try looking up room version from the database, but for old
-        # rooms we might not have added the room version to it yet so we fall
-        # back to previous behaviour and look in current state events.
-        #
         # We really should have an entry in the rooms table for every room we
-        # care about, but let's be a bit paranoid (at least while the background
-        # update is happening) to avoid breaking existing rooms.
+        # care about, but let's be a bit paranoid.
         room_version = self.db_pool.simple_select_one_onecol_txn(
             txn,
             table="rooms",