Update wifi_guide.md

[Dante-Masciotra]

adding info from the issue linked below https://github.com/uwindsorcss/wiki/issues/47

What are you trying to accomplish?

resolving issue

How are you accomplishing it?

adding information shown in screenshot

Checks before you create your pull request

• [ ] Did you read and follow article requirements?
• [ ] Did you run prettier?
• [ ] Is it safe to rollback this change if anything goes wrong?

[Dante-Masciotra]

Got approval from Ben Chittle that this was the correct set up for linux