Update planning.adoc

Author: NataliaIvakina

modules/ROOT/pages/backup-restore/planning.adoc

@@ -183,6 +183,9 @@ Backing up a database in a clustered environment is not essentially different fr
 Use `SHOW DATABASE <database>` to learn which servers are hosting the database you want to back up.
 See xref:clustering/monitoring/show-databases-monitoring.adoc#show-databases-monitoring-listing-single[Listing a single database] for more information.
 
+Starting from 2025.09, you can use the `--remote-address-resolution` option to let the DBMS select which servers to use as backup sources.
+See xref:backup-restore/online-backup.adoc#_using_remote_address_resolution[] for more details.
+
 Restoring from the command line involves putting a copy of the database on disk on each server that will need it.
 That can be awkward to achieve.
 The recommended way to restore a database in a cluster is to xref::database-administration/standard-databases/seed-from-uri.adoc[seed from URI].