Update app.py

app.py

@@ -427,6 +427,9 @@ body{margin:0;font-family:Nunito,sans-serif;background:#f6f8fb;}
   <p class="description" style="margin-bottom: 15px;">
     🚀 <strong>Free AI Spaces & Website Gallery</strong> ✨ Save and manage your favorite sites! Supports <span style="background: linear-gradient(135deg, #00c6ff, #0072ff); color: white; padding: 2px 6px; border-radius: 4px; font-size: 12px;">LIVE</span> and <span style="background: linear-gradient(135deg, #ff9a9e, #fad0c4); color: #333; padding: 2px 6px; border-radius: 4px; font-size: 12px;">Static</span> preview modes.
   </p>
+  <p style="font-size: 0.8rem; color: #888; margin-top: 10px;">
+  Your desired URL will be permanently saved when recorded in the <code>favorite_sites.json</code> file.
+  </p>
   <p>
     <a href="https://discord.gg/openfreeai" target="_blank"><img src="https://img.shields.io/static/v1?label=Discord&message=Openfree%20AI&color=%230000ff&labelColor=%23800080&logo=discord&logoColor=white&style=for-the-badge" alt="badge"></a>
   </p>