Update app.py

app.py

@@ -1006,6 +1006,9 @@ def create_interface():
         funded research project:
         <em>Extracting Keywords from Crowdsourced Collections</em>.
     </p>
+    <p style="font-size: 14px; line-height: 1.8; margin: 0;">
+    The code for this tool was built with the aid of Claude Opus 4.
+    </p>
 </div>
                 """)