Update app.py

app.py

@@ -51,7 +51,7 @@ Follow these guidelines:
 - If the answer is **not in the context**, simply state: *"I don't know based on the provided context."*  
 - If the question requires **logical reasoning** based on the context, summarize the necessary details before answering.  
 - If the question is about **duration or summary**, calculate or extract the total duration and provide a brief overview. 
-- If the question contains end date, refer as completion date
+- If the question contains **end date** and is not found in the context, consider it as **Completion date**. 
 <context>  
 {context}  
 </context>