Update app.py

app.py

@@ -2001,6 +2001,12 @@ with gr.Blocks(theme="default") as demo:
                      sms_1, sms_2, comment_sms_1, comment_sms_2, corrected_sms_1, corrected_sms_2]
         )
 
+    create_personal_sms_btn.click(
+        fn=on_check_source_fields,
+        inputs=[description, product_name, benefits, key_message],
+        outputs=[source_check_md]
+    )
+
     create_personal_sms_btn.click(
         fn=generate_personalized_sms_wrapper,
         inputs=[product_dropdown, description, product_name, benefits, key_message,