Clarify docker machine example

README.md

@@ -41,7 +41,7 @@ Launch with:
 
 ### Running in a Docker container
 
-If you are using Linux and have a
+If you are using **Linux** and have a
 [Docker daemon running](https://docs.docker.com/installation/),
 e.g. reachable on `localhost`, start a container with:
 
@@ -50,13 +50,20 @@ e.g. reachable on `localhost`, start a container with:
 In your browser, open the URL `http://localhost:8888/`.
 All notebooks from your session will be saved in the current directory.
 
-On other platforms, such as Windows and OS X, that require using
-`docker-machine` with `docker`, a container can be started using
+On other platforms, such as **Windows and OS X**, that use
+[`docker-machine`](https://docs.docker.com/machine/install-machine/) with `docker`, a container can be started using
 `docker-machine`. In the browser, open the URL `http://ip:8888/` where `ip` is
 the IP address returned from the command [`docker-machine ip <MACHINE>`](https://docs.docker.com/machine/reference/ip/):
 
     $ docker-machine ip <MACHINE>
 
+For example,
+
+    $ docker-machine ip myjupytermachine
+    192.168.99.104
+
+    In browser, open http://192.168.99.104:8888
+
 Note: With the deprecated `boot2docker`, use the command `boot2docker ip` to
 determine the URL.