update changelog

CHANGES.md

@@ -1,15 +1,6 @@
 Synapse 1.76.0 (2023-01-31)
 ===========================
 
-Improved Documentation
-
-- Describe the ideas and the internal machinery behind faster joins. ([\#14677](https://github.com/matrix-org/synapse/issues/14677))
-
-
-Synapse 1.76.0rc2 (2023-01-27)
-==============================
-
 The 1.76 release is the first to enable faster joins ([MSC3706](https://github.com/matrix-org/matrix-spec-proposals/pull/3706) and [MSC3902](https://github.com/matrix-org/matrix-spec-proposals/pull/3902)) by default. Admins can opt-out: see [the upgrade notes](https://github.com/matrix-org/synapse/blob/release-v1.76/upgrade.md#faster-joins-are-enabled-by-default) for more details.
 
 The upgrade from 1.75 to 1.76 changes the account data replication streams in a backwards-incompatible manner. Server operators running a multi-worker deployment should consult [the upgrade notes](https://github.com/matrix-org/synapse/blob/release-v1.76/docs/upgrade.md#changes-to-the-account-data-replication-streams).
@@ -34,6 +25,16 @@ Synapse has to spend more effort to complete the join in the background. Once th
 - retrieve room history from before your join, if permitted by the room settings; and
 - access the full list of room members.
 
+
+Improved Documentation
+----------------------
+
+- Describe the ideas and the internal machinery behind faster joins. ([\#14677](https://github.com/matrix-org/synapse/issues/14677))
+
+
+Synapse 1.76.0rc2 (2023-01-27)
+==============================
+
 Bugfixes
 --------