Type-o on installation page

[mint1goose]

https://docs.invidious.io/installation/#set-up-invidious
Manual installation > Linux > Set up Invidious companion
sudo wget https://github.com/iv-org/invidious-companion/raw/refs/heads/master/invidious-companion.service -O /etc/systemd/systemd/invidious-companion.service
on the second directory, /etc/systemd/systemd is incorrect and should be /etc/systemd/system
final result
sudo wget https://github.com/iv-org/invidious-companion/raw/refs/heads/master/invidious-companion.service -O /etc/systemd/system/invidious-companion.service

EDIT: also i think directly under this line, sudo systemctl enable --now invidious.service should be sudo systemctl enable --now invidious-companion.service

[unixfox]

Thank you. Please create a PR with the fixed typos.

Edit here: https://github.com/iv-org/documentation/edit/master/docs/installation.md