New docker-osx installation instructions

README.md

@@ -39,9 +39,9 @@ Let's get a basic Python web app running on Fig. It assumes a little knowledge o
 
 First, install Docker. If you're on OS X, you can use [docker-osx](https://github.com/noplay/docker-osx):
 
-    $ curl https://raw.github.com/noplay/docker-osx/master/docker > /usr/local/bin/docker
-    $ chmod +x /usr/local/bin/docker
-    $ docker version
+    $ curl https://raw.github.com/noplay/docker-osx/master/docker-osx > /usr/local/bin/docker-osx
+    $ chmod +x /usr/local/bin/docker-osx
+    $ docker-osx shell
 
 Docker has guides for [Ubuntu](http://docs.docker.io/en/latest/installation/ubuntulinux/) and [other platforms](http://docs.docker.io/en/latest/installation/) in their documentation.