Add missing header to changelog (#1920)

JoshMock · web-flow · commit 0b9be7c1792e · 2023-06-13T13:40:05.000-05:00
diff --git a/docs/changelog.asciidoc b/docs/changelog.asciidoc
@@ -5,7 +5,10 @@
 === 8.8.1
 
 [discrete]
-=== Support for Elasticsearch `v8.8.1`
+==== Features
+
+[discrete]
+===== Support for Elasticsearch `v8.8.1`
 
 You can find all the API changes
 https://www.elastic.co/guide/en/elasticsearch/reference/8.8/release-notes-8.8.1.html[here].
