doc: fix echo when running with sudo

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Daniil Gentili 2020-04-29 14:57:21 +02:00 committed by GitHub
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@ -22,7 +22,7 @@ Finally on the same machine test that you can ping the FQDN with: `ping "$(hostn
### Add the Jitsi package repository
```sh
echo 'deb https://download.jitsi.org stable/' >> /etc/apt/sources.list.d/jitsi-stable.list
echo 'deb https://download.jitsi.org stable/' | sudo tee /etc/apt/sources.list.d/jitsi-stable.list
wget -qO - https://download.jitsi.org/jitsi-key.gpg.key | sudo apt-key add -
```
### Open ports in your firewall