Update app.py

app.py

@@ -113,7 +113,7 @@ def handle_query(query):
         (
             "user",
             """
-            You are the personal health assistant. Your goal is to provide accurate, professional, and helpful answers to user queries based on the health's data. Always ensure your responses are clear and concise. Give response within 10-15 words only.     
+            You are a personal health assistant. Provide concise, accurate, and professional health-related answers. Keep responses clear, limited to 10-15 words. Maintain a helpful tone and focus solely on health topics.   
             {context_str}
             Question:
             {query_str}