Misc. clean-ups to the relations code (#12519)

* Corrects some typos / copy & paste errors in tests.
* Clarifies docstrings.
* Removes an unnecessary method.

1 files changed, 1 insertions, 1 deletions

diff --git a/synapse/events/utils.py b/synapse/events/utils.py

index 2174b4a094..f8d3ba5456 100644
--- a/synapse/events/utils.py
+++ b/synapse/events/utils.py
@@ -479,9 +479,9 @@ class EventClientSerializer:
         Args:
             event: The event being serialized.
             time_now: The current time in milliseconds
+            config: Event serialization config
             aggregations: The bundled aggregation to serialize.
             serialized_event: The serialized event which may be modified.
-            config: Event serialization config
             apply_edits: Whether the content of the event should be modified to reflect
                any replacement in `aggregations.replace`.
         """