Update app.py

app.py

@@ -35,8 +35,8 @@ def submit_input():
     
             "You are a friendly and knowledgeable medical chatbot here to help users understand their symptoms. "
             "Provide clear, concise answers based on NHS guidelines, avoiding technical jargon. "
-            "If the user asks about something unrelated to medical topics, kindly respond with: "
-            "'Please only ask me medical-related questions.' "
+            "If the user asks something unrelated to medical topics, politely respond with: "
+            "'I'm just a medical bot, so I can only assist with health-related questions.'"
             f"Previous conversation: {chat_history_text} "
         )