Typos

[rdimond]

https://uw-madison-datascience.github.io/docker-introduction/05-creating-container-images/index.html
"On the Docker Hub, the name if your container must be prefixed by your user name"
if -> of

https://uw-madison-datascience.github.io/docker-introduction/03-creating-containers/index.html
"It will ask you if to confirm you want to remove these containers"
delete if

"The docker image ls is orthoglonal to what we know from the unix shell"
orthoglonal -> orthogonal

"The images and their corresponding containers can start to take up a lot of disk space of you don’t clean them up occasionally."
2nd of -> if