update docs

docs/about.html

@@ -31,7 +31,8 @@ <h1 class="title">About</h1>
                     <p><img src="/images/author.png" alt="My character"></p>
 <p>These comics offer a brief introduction to the history of Free and Open Source Software (FOSS), including early computer and software developments. Originally written in Korean at <a href="https://joone.net">https://joone.net</a>, they will be published as a book in 2024.</p>
 <p>If you find any errors or have suggestions, please leave a comment on the comic or submit a pull request on <a href="https://github.com/joone/fosscomics">GitHub</a>.</p>
-<p>Your support would help maintain the domain name, upgrade my iPad with pencil, and purchase reference books. You can sponsor this comic work here:  <a href="https://github.com/sponsors/joone">https://github.com/sponsors/joone</a></p>
+<p>Your support will contribute to maintaining the domain name, upgrading devices and gear, and purchasing reference books. You can sponsor this comic project by following this link.
+<a href="https://github.com/sponsors/joone">https://github.com/sponsors/joone</a></p>
 <p>Thank you!</p>
 
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