Fix a typo (neo4j#1910)

Author: NataliaIvakina

modules/ROOT/pages/clustering/setup/discovery.adoc

@@ -21,7 +21,7 @@ The new version v2 introduces the following configuration settings to control th
 
 * xref:configuration/configuration-settings.adoc#config_dbms.cluster.discovery.v2.endpoints[`dbms.cluster.discovery.v2.endpoints`] to specify the list of server addresses for discovery when using version v2.
 * xref:configuration/configuration-settings.adoc#config_dbms.cluster.discovery.version[`dbms.cluster.discovery.version`] to specify the version of the discovery service.
-Possible values are `V1_ONLY`, `V2_ONLY`, `V2_OVER_V1`, and `V2_OVER_V1`.
+Possible values are `V1_ONLY`, `V2_ONLY`, `V1_OVER_V2`, and `V2_OVER_V1`.
 * xref:configuration/configuration-settings.adoc#config_dbms.kubernetes.discovery.v2.service_port_name[`dbms.kubernetes.discovery.v2.service_port_name`] to specify the name of the service port name used in the Kubernetes API when using version v2.
 
 The following sections describe the different methods for server discovery, configuration settings, and examples of how to move from discovery service v1 to v2.