Add note for restarting an existing docker machine named 'confluent'
@@ -32,6 +32,10 @@ Create and configure the Docker Machine. This example creates a VirtualBox VM
$ docker-machine create --driver virtualbox --virtualbox-memory 6000 confluent
+ .. note::
+
+ If you want to reuse a Docker Machine you've already created under the name "confluent" run: ``docker-machine start confluent`` instead.
+
Next, configure your terminal window to attach it to your new Docker Machine:
.. sourcecode:: bash
