1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/handlers/presence.py b/synapse/handlers/presence.py
index 202beee738..4137fd50b1 100644
--- a/synapse/handlers/presence.py
+++ b/synapse/handlers/presence.py
@@ -1816,7 +1816,7 @@ class PresenceEventSource(EventSource[int, UserPresenceState]):
                 # the same token repeatedly.
                 #
                 # Hence this guard where we just return nothing so that the sync
-                # doesn't return. C.f. #5503.
+                # doesn't return. C.f. https://github.com/matrix-org/synapse/issues/5503.
                 return [], max_token
 
             # Figure out which other users this user should explicitly receive