diff --git a/CHANGES.rst b/CHANGES.rst
index 529ab3ee95..0e5f28c2d7 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -8,8 +8,10 @@ General:
   paginate history the server does not have - SYN-36
 * Fix bug where we couldn't disable non-default pushrules - SYN-378
 * Fix bug with ``register_new_user`` script - SYN-359
-* Improve performance of fetching events from the database.
-* Improve performance of event streams.
+* Improve performance of fetching events from the database. This improves both
+  initialSync and sending of events.
+* Improve performance of event streams, allowing synapse to handle more
+  simultaneous connected clients.
 
 Federation: