added line breaks

Author: bdito

README.md

@@ -8,7 +8,9 @@ More information on [sshkeybox.com](http://sshkeybox.com/) or [GitHub](https://g
 $ docker run -d -v /my/own/datadir:/a/keydb -p 8443:8443 adito/keybox
 ```
 You can replace `/my/own/datadir` with your preferred path on your host.
+
 Now you can access keybox at `https://host-ip:8443`.
+
 The default user is `admin` and the default password is `changeme`.