Update the tutorial title about the cluster in Docker

Author: NataliaIvakina

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

@@ -1,7 +1,7 @@
 :description: How to deploy a Neo4j cluster in a containerized environment without an orchestration tool.
 [role=enterprise-edition]
 [[docker-cc]]
-= Deploy a Neo4j cluster in a Docker container
+= Deploying a Neo4j cluster in a Docker container
 
 Neo4j supports clustering in a containerized environment without an orchestration tool.
 This tutorial walks through setting this up locally for testing purposes.