The web UI guide gave the pre-1.52 `tailscale serve https / <target>`
form, which current Tailscale rejects with "invalid number of
arguments". The configuration page said logs keep 2 files in total,
while the daemon keeps 3 rotated files next to the active one.
Co-authored-by: paseo-bot[bot] <266920839+paseo-bot[bot]@users.noreply.github.com>