Update 2019-11-20-tooling.md

Author: darribas

_posts/2019-11-20-tooling.md

@@ -33,24 +33,19 @@ Below we outline the instructions for setting up your machine and running the co
 
 ## Installing the Docker Container
 
-To install the prebuilt docker container for the book project, open a terminal under your host operating system.
+To install the prebuilt docker container for the book project, open a terminal under your host operating system:
 
-### Windows
+- **Windows**: we recommend [Powershell](https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/powershell)
+- **macOS**: the Terminal app (`/Applications/Utilities/Terminal.app`) is a great option
+- **Linux**: any default console provided by your distribution of choice will be good
 
-Open [Powershell](https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/powershell) and issue the following command:
+Once you are on the terminal, run the following command to download the container to your own machine:
 
 ```
- > docker pull gdsbook
+docker pull gdsbook/stack
 ```
 
-### macOS
-
-Open `/Applications/Utilities/Terminal.app` and run:
-
-
-```
- > docker pull gdsbook
-```
+Note this will take a while and will require a significant amount of bandwith (the entire image is about 8GB).
 
 ## Acquire book source materials