Update app.py

app.py

@@ -325,7 +325,13 @@ def chunk_documents(texts: List[str], metadatas: List[dict], dense_model: Optimu
 
 def on_change_documents_only():
     st.session_state.qa_prompt = lambda query, context: (      
-        f"""{context} {query} Don't give information outside the document or repeat your findings. Keep your response short and direct. If information not in the document, say 'no_answer'"""
+        f"""You are an assistant for question-answering tasks. Use the following pieces of retrieved context to answer the question. If you don't know the answer, just write 'no_answer'. Use three sentences maximum and keep the answer concise.
+        
+        Question: {query} 
+
+        Context: {context} 
+
+        Answer:"""
         if st.session_state.documents_only else 
         f"""If the context is not relevant, please answer the question by using your own knowledge about the topic.
         If you decide to provide information using your own knowledge or general knowledge, write 'knowledge_topic' at the top of your answer