diff --git a/synapse/storage/e2e_room_keys.py b/synapse/storage/e2e_room_keys.py
index 5d83707fa0..16b7f005aa 100644
--- a/synapse/storage/e2e_room_keys.py
+++ b/synapse/storage/e2e_room_keys.py
@@ -217,7 +217,8 @@ class EndToEndRoomKeyStore(SQLBaseStore):
         Raises:
             StoreError: with code 404 if there are no e2e_room_keys_versions present
         Returns:
-            A deferred dict giving the info metadata for this backup version, with fields including:
+            A deferred dict giving the info metadata for this backup version, with
+            fields including:
                 version(str)
                 algorithm(str)
                 auth_data(object): opaque dict supplied by the client