self-hosted page link is broken

https://mycollab.com/self-hosted/

leads to this:

<img width="1144" alt="Screen Shot 2021-04-07 at 8 30 43 PM" src="https://user-images.githubusercontent.com/7019327/113964429-576a8800-97e0-11eb-9483-c483bd0a2b27.png">

Also, the https certificate is wrong, it's using the www.github.com TLS cert, please fix them, thanks!