Update app.py

app.py

@@ -159,7 +159,7 @@ if uploaded_files and api_key:
                                         
                                         # Download button
                                         timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
-                                        csv_filename = f"{uploaded_file.name}_analysis_{timestamp}.xslx"
+                                        csv_filename = f"{uploaded_file.name}_analysis_{timestamp}.xlsx"
                                         
                                         st.download_button(
                                             label="Download Analysis",