add nonserverless note

Author: mdbirnstiehl

solutions/observability/apps/applications-ui-settings.md

@@ -58,7 +58,7 @@ To change APM settings, select **Settings** from any **Applications** page. The
 
 ## APM Indices [apm-indices-settings]
 
-The Applications UI uses data views to query APM indices. To change the default APM indices that the Applications UI queries, open the Applications UI and select **Settings** → **Indices**. Index settings in the Applications UI take precedence over those set in `kibana.yml`.
+The Applications UI uses data views to query APM indices. In non-serverless versions, change the default APM indices that the Applications UI queries by opening the Applications UI and select **Settings** → **Indices**. Index settings in the Applications UI take precedence over those set in `kibana.yml`.
 
 APM indices are {{kib}} Spaces-aware; Changes to APM index settings will only apply to the currently enabled space. See [Control access to APM data](../../../solutions/observability/apps/control-access-to-apm-data.md) for more information.