fixing author name in prompt

src/app.py

@@ -23,7 +23,7 @@ K = 5
 USE_VERBOSE = True
 API_KEY = os.environ["OPENAI_API_KEY"]
 system_template = """
-The context below contains excerpts from 'Let's Talk,' by Emily Elizabeth Schlickman and Brett Milligan. You must only use the information in the context below to formulate your response. If there is not enough information to formulate  a response, you must respond with
+The context below contains excerpts from 'Let's Talk,' by Andrea A. Lunsford. You must only use the information in the context below to formulate your response. If there is not enough information to formulate  a response, you must respond with
 "I'm sorry, but I can't find the answer to your question in, the book Let's Talk..."
 
 Here is the context: