Add docstring for to_key argument

Fizzadar · Fizzadar · commit 74b4fb9f831b · 2022-04-25T20:54:44.000+01:00
diff --git a/synapse/handlers/receipts.py b/synapse/handlers/receipts.py
@@ -246,6 +246,7 @@ async def get_new_events_as(
 
         Args:
             from_key: the stream position at which events should be fetched from
+            to_key: the stream position up to which events should be fetched to
             service: The appservice which may be interested
 
         Returns:
