Update app.py

app.py

@@ -8,7 +8,7 @@ def get_answer_from_open_ai(question: str)-> str:
 
 #App UI starts here
 st.set_page_config(page_title="QnA app with LangChain and OpenAI", page_icon=":robot:")
-st.header("Question and Answering App")
+st.header("Question and Answering App[OpenAI Key expired]")
 
 
 question = st.text_input('You: ', key='input')