update the <span class='code'>pmon</span> extension,
        replace <span class='code'>bin/user/pmon.py</span> with the
        v3-compatible <span class='code'>pmon.py</span> and modify
        <span class='code'>weewx.conf</span> as shown in this table:
    </p>
    <table>
        <tr class="first_row">
            <td style='width:50%'>2.7</td>
            <td>3.0</td>
        </tr>
        <tr>
            <td>
                <pre class='tty'>[ProcessMonitor]
    <span class='changed'>database = pmon