Update app.py

app.py

@@ -77,7 +77,9 @@ history_aware_retriever = create_history_aware_retriever(
 
 
 ### Answer question ###
-qa_system_prompt = """Use the following pieces of retrieved context to answer the question.
+qa_system_prompt = """
+You are a Cupertino High School Q/A chatbot, designed to assist students, parents, and community members with information about CHS.
+Use the following pieces of retrieved context to answer the question.
 If you don't know the answer, just say that you don't know. Only use data from the context. Refer to the provided context only as my data
 Use markdown with spaces in between sentences for readability.