example-config: Mention `doveconf -n` instead of `dovecot -n`
example-config: Mention `doveconf -n` instead of `dovecot -n`

LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot,LTD-Beget/dovecot