Update app.py

app.py

@@ -850,8 +850,8 @@ def create_gradio_interface() -> gr.Interface:
             )
         ],
         additional_inputs_accordion=gr.Accordion("⚙️ Advanced Parameters", open=True),
-        retry_btn=None,
-        undo_btn="Delete Previous",
+        retry_btn="Retry",
+        undo_btn="Undo",
         clear_btn="Clear",
         chatbot=gr.Chatbot(
             show_copy_button=True,