Edit some paragraphs on the homepage (#1660)

To make it more... uh, professional. ✨

development/homepage-template.ejs

@@ -258,21 +258,19 @@
         <div>TurboWarp Extension Gallery</div>
       </h1>
 
-      <p>Unlike custom extensions on other websites, these aren't limited by the extension sandbox, so they are a lot more powerful. All extensions are reviewed for safety.</p>
-      <p>
-        To use multiple of these extensions in TurboWarp, hover over the extension and press the button to copy its URL. Then go to the editor, open the extension chooser, then choose the "Custom Extension" option at the bottom, and enter the URL.
-      </p>
+      <p>This is the official extension gallery, where you can get extensions that aren't limited by the extension sandbox. All of the extensions here are reviewed for safety.</p>
+      <p>You can also find these extensions in TurboWarp's "Add Extension" menu.</p>
 
       <div class="infobox infobox-warning">
         <div class="infobox-title">These extensions are not compatible with Scratch.</div>
-        Projects that use these extensions can't be uploaded to the Scratch website.
-        They can, however, be used in <a href="https://packager.turbowarp.org/">the packager</a>.
+        Projects that use these extensions can't be opened in Scratch or uploaded to the Scratch website.
+        They can still be used in <a href="https://packager.turbowarp.org/">the TurboWarp packager</a>.
       </div>
 
       <div class="infobox">
         <div class="infobox-title">Some extensions may not work in TurboWarp Desktop.</div>
-        For compatibility, security, and offline support, each <a href="https://desktop.turbowarp.org/">TurboWarp Desktop</a> update contains an offline copy of these extensions from its release date, so some extensions may be outdated or missing.
-        Use the latest update for best results.
+        To make sure extensions work offline, each release of <a href="https://desktop.turbowarp.org/">TurboWarp Desktop</a> comes with a copy of these extensions as of its release date, so some extensions may be outdated or missing.
+        Update to the latest version for the best results.
       </div>
     </div>