Update app.py

app.py

@@ -56,7 +56,7 @@ cfg.description = f'''
                       <td style="width: 20%; text-align: right; vertical-align: middle;"> <img src="https://github.com/david-oplatka/chatbot-streamlit/blob/main/Vectara-logo.png?raw=true"> </td>
                   </tr>
                   <tr>
-                      <td colspan="2" style="font-size: 20px;">This demo uses Retrieval Augmented Generation from <a href="https://vectara.com/">Vectara</a> to ask questions about {cfg.source_data_desc}.</td>
+                      <td colspan="2" style="font-size: 14px;">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>
                 '''