Update onboarding page

onboarding/index.html

@@ -75,10 +75,10 @@ Make sure you’ve completed the following:  You have submitted the regi
 <h2 id="next-steps">Next Steps</h2>
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-<p><input disabled="" type="checkbox"> Attend to the registrations confirmation meeting, on 10th or 17th October 2021. Details <a href="https://lists.fsci.in/hyperkitty/list/camp-announce@lists.fsci.in/thread/UBG6QA7Y2YJMAHJSSRK7BTC7JXJCUM25/">here</a>.</p>
+<p><input disabled="" type="checkbox"> Attend to the registrations confirmation meeting, on 10th or 17th October or 9th November 2021. Details <a href="https://lists.fsci.in/hyperkitty/list/camp-announce@lists.fsci.in/thread/UBG6QA7Y2YJMAHJSSRK7BTC7JXJCUM25/">here</a>.</p>
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-<p><input disabled="" type="checkbox"> Look at the camp schedule available at <a href="https://camp.fsci.in/sched/">https://camp.fsci.in/sched/</a> and subscribe to <a href="https://shared03.opsone-cloud.ch/index.php/apps/calendar/p/t35NZa6aeWCEXPjZ">this calendar</a> using any calendar app. This will give you date, time and meeting link for all the sessions.</p>
+<p><input disabled="" type="checkbox"> Look at the camp schedule available at <a href="https://camp.fsci.in/sched/">https://camp.fsci.in/sched/</a> and subscribe to <a href="https://shared03.opsone-cloud.ch/index.php/apps/calendar/p/t35NZa6aeWCEXPjZ">this calendar</a> using any calendar app like <a href="https://support.mozilla.org/en-US/kb/creating-new-calendars#w_icalendar-ics">Thunderbird</a> on laptop/desktop or <a href="https://icsx5.bitfire.at/">ICSx⁵</a> on Android. This will give you date, time and meeting link for all the sessions.</p>
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 <p><input disabled="" type="checkbox"> We use free/libre software for our communication. Please install one of three applications mentioned below to join the camp chat room. We recommend you install <a href="https://quicksy.im/">Quicksy</a> and joining via the following link: <a href="xmpp:sfcamp2021-dived@groups.poddery.com?join">xmpp:sfcamp2021-dived@groups.poddery.com?join</a> (this link should work for other XMPP clients as well.).</p>