Fix link format to open correct URLs in iTerm - Exercise 8

Using iTerm and clicking on the links, iTerm incorrectly opens the URLs. Oh funky, it's opening the markdown for the URLs! Ex:

![bad url](https://i.cloudup.com/9KswbNy4WZ.png)

Currently opening links in regular old terminal works; however with this formatting added, they now open fine with both iTerm and terminal. Let me know if this makes sense.