Update docs/en/operations/server-configuration-parameters/settings.md

Co-authored-by: olgarev <56617294+olgarev@users.noreply.github.com>
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@ -435,7 +435,7 @@ Similar to `interserver_http_host`, except that this hostname can be used by oth
## interserver_http_credentials {#server-settings-interserver-http-credentials}
A username and a password used to connect to other servers during [replication](../../engines/table-engines/mergetree-family/replication.md). Also the server authenticate other replicas using these credentials. So, `interserver_http_credentials` must be the same for all replicas in a cluster.
A username and a password used to connect to other servers during [replication](../../engines/table-engines/mergetree-family/replication.md). Also the server authenticates other replicas using these credentials. So, `interserver_http_credentials` must be the same for all replicas in a cluster.
By default, if `interserver_http_credentials` section is omitted, authentication is not used during replication.