release note

Author: rachel-mack

source/whats-new.txt

@@ -31,6 +31,10 @@ What's New in 5.4
 The 5.4 driver release includes the following changes, fixes,
 and features:
 
+- Adds support for converting field names to snake case during serialization. To
+  learn more, see the :ref:`kotlin-serialization-snake-case-eg` on the
+  Serialization page.
+
 .. sharedinclude:: dbx/jvm/v5.4-wn-items.rst
 
    .. replacement:: install-bom-link
@@ -53,10 +57,6 @@ and features:
       the `SearchOperator <{+core-api+}/client/model/search/SearchOperator.html>`__
       interface API documentation
 
-- Adds support for converting field names to snake case during serialization. To
-  learn more, see the :ref:`kotlin-serialization-snake-case-eg` on the
-  Serialization page.
-
 .. _kotlin-coroutine-version-5.3:
 
 What's New in 5.3