diff --git a/docs/reference/settings/notification-settings.asciidoc b/docs/reference/settings/notification-settings.asciidoc
index 52a7ed7349feb..ca7616aa82b2f 100644
--- a/docs/reference/settings/notification-settings.asciidoc
+++ b/docs/reference/settings/notification-settings.asciidoc
@@ -33,7 +33,12 @@ required. For more information, see
 {xpack-ref}/encrypting-data.html[Encrypting sensitive data in {watcher}].
 
 `xpack.watcher.history.cleaner_service.enabled`::
+ifdef::asciidoctor[]
+added:[6.3.0,Default changed to `true`.]
+endif::[]
+ifndef::asciidoctor[]
 added[6.3.0,Default changed to `true`.]
+endif::[]
 +
 Set to `true` (default) to enable the cleaner service. If this setting is
 `true`, the `xpack.monitoring.enabled` setting must also be set to `true` with