[tor-wiki-changes] doc/TorBrowser/Sandbox/Linux edited

[Tor Bug Tracker & Wiki: yawning]

Formatting, add a note about the updater. 

([diff](https://trac.torproject.org/projects/tor/wiki/doc/TorBrowser/Sandbox/Linux?action=diff&version=6))

URL: https://trac.torproject.org/projects/tor/wiki/doc/TorBrowser/Sandbox/Linux?version=6