PetaLinux-Tools-Installation.md

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 # Prerequisites
 
 - This guide assumes you are installing petalinux tools version 2020.1 on the [Ubuntu 18.04.4 development environment](https://git.ece.iastate.edu/sd/sdmay23-47/-/wikis/Petalinux-Ubuntu-Development-Environment). If you are installing it elsewhere, consult the [Petalinux Tools Reference Guide](https://docs.xilinx.com/r/en-US/ug1144-petalinux-tools-reference-guide) and make sure you have the correct version selected. 
@@ -64,4 +63,4 @@ source /opt/pkg/petalinux/2020.1/settings.sh
 ```
 > Note: This last command needs to be ran every time you start a console session. It also allows you to run multiple petalinux tools versions and switch between them if you want. 
 
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