Update modules/ROOT/pages/tutorial/tutorial-clustering-docker.adoc

Author: NataliaIvakina

modules/ROOT/pages/tutorial/tutorial-clustering-docker.adoc

@@ -271,7 +271,7 @@ The following environment variables are specific to the Neo4j cluster, and are a
 
 * `+NEO4J_initial_server_mode__constraint+`: the database mode, defaults to `NONE`, can be set to `PRIMARY` or `SECONDARY`.
 * `+NEO4J_dbms_cluster_endpoints+`: a comma-separated list of endpoints, which a server should contact to discover other cluster servers.
-* `+NEO4J_server.cluster.advertised_address+`: hostname/IP address and port to advertise for transaction handling and discovery protocol.
+* `+NEO4J_server.cluster.advertised_address+`: hostname/IP address and port to advertise for transaction handling and discovery service.
 * `+NEO4J_server.cluster.raft.advertised_address+`: hostname/IP address and port to advertise for cluster communication.
 
 See xref:clustering/settings.adoc[] for more details of Neo4j cluster settings.