Typo fix ([https://trac.torproject.org/projects/tor/ticket/10612](https://trac.torproject.org/projects/tor/ticket/10612)) ([diff](https://trac.torproject.org/projects/tor/wiki/doc/stem/bugs?action=diff&version=11)) URL: https://trac.torproject.org/projects/tor/wiki/doc/stem/bugs?version=11