Update app.py

app.py

@@ -57,6 +57,7 @@ cfg.description = f'''
                   </tr>
                   <tr>
                       <td rowspan="2">This demo uses Retrieval Augmented Generation from <a href="https://vectara.com/">Vectara</a> to ask questions about {cfg.source_data_desc}.</td>
+                  </tr>
                 </table>
                 <p style="text-indent: 20px;"></p>
                 '''