diff --git a/index.html b/index.html
index 108749d..89a78f4 100644
--- a/index.html
+++ b/index.html
@@ -93,10 +93,10 @@
 <body>
     <main>
         <h1>Extension Downloader</h1>
-        <p>Provide a Firefox Add-on Store URL to download its <code>.xpi</code> source file.</p>
+        <p>Provide a Firefox Add-on Store URL to download its source file as a <code>.zip</code> archive.</p>
         <form id="dl-form">
             <input type="url" id="addon-url" placeholder="https://addons.mozilla.org/..." required autocomplete="off">
-            <button type="submit">Download Source</button>
+            <button type="submit">Download as .zip</button>
         </form>
         <p id="status"></p>
     </main>
