Update README.md

Author: hbradio

README.md

@@ -3,6 +3,10 @@ User documentation for rovercode. https://docs.rovercode.com
 
 ## Building the website locally
 
+[Hugo](https://gohugo.io/) is the static site-building used to turn the Markdown content in this repo into HTML webpages.
+Hugo is similar to tools like Jekyll that Github Pages uses.
+These instructions explain how to intall Hugo and use it to build and view the rovercode documentation website.
+
 * Clone this repository: `git clone https://github.com/rovercode/user-docs.git`
 
 * Install Hugo using [these instructions](https://gohugo.io/getting-started/installing/). Note that there are more detailed instrutions for each operating system if you scroll down past the Quick Install section.