Update add_remove_replica.md

updated clickhouse-backup syntax for rbac and schema backup/restore

Author: lesandie

content/en/altinity-kb-setup-and-maintenance/altinity-kb-data-migration/add_remove_replica.md

@@ -101,9 +101,9 @@ clickhouse-client --host localhost --port 9000 -mn < schema.sql
 - Using `clickhouse-backup` to copy the schema of a replica to another is also convenient and moreover if [using Atomic database](/engines/altinity-kb-atomic-database-engine/) with `{uuid}` macros in [ReplicatedMergeTree engines](https://www.youtube.com/watch?v=oHwhXc0re6k):
 
 ```bash
-sudo -u clickhouse clickhouse-backup --schema --rbac create_remote full-replica
+sudo -u clickhouse clickhouse-backup create --schema --rbac rbac_and_schema
 # From the destination replica
-sudo -u clickhouse clickhouse-backup --schema --rbac restore_remote full-replica
+sudo -u clickhouse clickhouse-backup restore --schema --rbac rbac_and_schema
 ```
 
 ### Using `altinity operator`