Editing explain xkcd:User: Aprilfoolsupdate!

<table class="infobox vcard">
<tr><th colspan=2 class="fn" style="text-align:center; font-size:125%; font-weight:bold; background-color:#BCD4E6;">Aprilfoolsupdate!</th></tr>
<tr><td colspan="2" class="{{{class|}}}" style="text-align:center; {{{headerstyle|}}}">
<div><center><i>Aprilfoolsupdate!</i></center></div></td></tr>
<tr class="{{{rowclass|}}}">
<th scope="row" style="text-align:left; line-height: 1.3em;">Born date</th>
<td class="{{{class|}}}" style="line-height: 1.3em;">Not telling</td></tr>
<tr class="{{{rowclass|}}}">
<tr class="{{{rowclass|}}}">
<th scope="row" style="text-align:left; line-height: 1.3em;">Planet</th>
<td class="{{{class|}}}" style="line-height: 1.3em;">Earth {{Citation needed}}</td></tr>
<tr class="{{{rowclass|}}}">
<th scope="row" style="text-align:left; line-height: 1.3em;">Language</th>
<td class="{{{class|}}}" style="line-height: 1.3em;">English</td></tr>
<tr class="{{{rowclass|}}}">
<th scope="row" style="text-align:left; line-height: 1.3em;">Stellar system</th>
<td class="{{{class|}}}" style="line-height: 1.3em;">The solar system</td></tr>
<tr class="{{{rowclass|}}}">
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Wow what? I can create my user page now! Yay! (And don’t edit my user page)
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==About me==
very basic knowledge of html, like to use <nowiki><br></nowiki>. I want others to reply ASAP, but I want to have the last word, but I still want them to reply.
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==My signature==
[[User:Aprilfoolsupdate!| <sup>April</sup><sub>fools</sub><sup><sub>update</sub></sup>!]]([[User talk:Aprilfoolsupdate!|talk]]) 
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I like my signature, don’t touch it.
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==Just a bunch of thanks to [[User:DollarStoreBa'al | DollarStoreBa'al]]==
Thanks a lot to [[User:DollarStoreBa'al | DollarStoreBa'al]] for teaching me to make a template!
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{{Thx$store}}
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{{Userbox | border-c = #033 | border-s = 1 | info-s = 9 | id = THX | info = [[User:DollarStoreBa'al| DollarStoreBa'al]] | float = right}}

==My FFA sandboxxxxx==
[[user:Aprilfoolsupdate!/Sandbox | sandboxxxxxxxxxxx]]
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==User page creation==
Tell me in the [[User talk:Aprilfoolsupdate!|talk]] page if you want to have your user page created.
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==Leaderboard for top 50:==
{{Special:ContributionScores/50/7/nosort,notools}}

==the leaderboard that is barely known==
[[Special:ContributionScores#All time (Top 50)|This Leaderboard]]