Update app.py

app.py

@@ -50,7 +50,7 @@ def process_youtube(youtube_url, num_questions):
         
         return notes, quiz
     except Exception as e:
-        return f"Error processing YouTube URL: {str(e)}", ""
+        return f"⚠️ {str(e)}\n\nPlease try another YouTube video that has captions enabled.", ""
 
 # Create Gradio interface
 with gr.Blocks(title="AI Teaching Assistant") as demo: