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

Co-authored-by: Nick Giles <[email protected]>

Author: NataliaIvakina

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

@@ -77,6 +77,7 @@ dbms.routing.default_router=SERVER
 
 # The advertised address for the intra-cluster routing connector.
 server.routing.advertised_address=$(hostname)
+
 # Automatically enable servers, rather than needing to explicitly do so for Free servers                                                                                                                              
 initial.dbms.automatically_enable_free_servers=true
 ----