updates

README.md

@@ -1,6 +1,7 @@
 ## Docker Swarm health check example
 
-This example shows how health check works in Docker Swarm.
+This example shows how health check works in Docker Swarm and how it heals
+the service.
 
 ### What does this container do?
 
@@ -39,6 +40,10 @@ docker service create \
 
 ### Watching the health check
 
+First, the container will start in ``unhealthy`` mode as expected, health check
+will pick this and Docker Swarm will restart that container which then will
+start in a ``healthy`` mode.
+
 ```
 docker ps |grep test1
 docker service ls
@@ -49,7 +54,7 @@ docker service ls
 ```
 docker service rm test1
 docker swarm leave --force
-rm -f -- /tmp/status
+sudo rm -f -- /tmp/status
 docker rmi healthcheck-test
 ```