This is the same issue as the page "Try it out and vote". I have updated the consistency of format to be the same through all pages. (and I hope I do not overdo these small things, but I just like the ease of proposing changes to the documentation and I hope that it is getting better this way)
On the "Sample app overview" page all blocks of IP address and port are shown as <manager-IP>:5000 or <manager-IP>:5001.
On this page "Try it out and vote" I see some inconsistency of these forms and fixed them, because I think the style format must be in the form "<manager-IP>:5000", e.g., colon after character ">".
At the current time, Docker flushes any pre-existing DOCKER and DOCKER-ISOLATION chains, meaning that the previous advice was misleading and led users in the wrong direction regarding restricting access to containers via iptables.
The example `docker-machine create` commands show `--create` as an option instead of a command. If `docker-machine --create` is invoked, the user will receive an error: "Incorrect Usage."
"(indicated by the stretch suffix on the version, in this example)"
The example uses jessie, not stretch.
"change the word stable in the > URL to edge"
I do not know why this character ">" appeared, maybe it is a mistake and I have removed it?
* Update step_six.md
I need to add the -f option to remove image, otherwise: Error response from daemon: conflict: unable to delete e867bc17a0bb (must be forced) - image is referenced in multiple repositories
* Fix for image remove command
```bash
sudo nano /etc/docker/daemon.json
```
Here a $ sign is missing and the command in the web site appears as "bash sudo nano /etc/docker/daemon.json", which is not correct. It shoud look like: "$ sudo nano /etc/docker/daemon.json".
"which is 2375 if you do not use TLS, and 2376 if you do."
On all other lines the ports are in backquotes, so I have added backquotes here also.
"In this case, steps 3 and 4."
Missing verb like "repeat", I have added it.
Oracle Linux never shipped the upstream (RHEL) Docker packages but did ship `docker-engine-selinux` which would need to be removed.
Though, given the new Docker EE/CE naming convention, yum would just replace any existing `docker-engine` and `docker-engine-selinux` packages anyway.
added heading and description of Swarm mode below table, tweaked headings
added Swarms screen snap
added a standard mode indicator to infrastructure overview title
re-organized order of topics in table and below
re-wording to swarm topic, added x-refs from d4mac, d4win to cloud topics
Signed-off-by: Victoria Bialas <victoria.bialas@docker.com>