Update app.py

app.py

@@ -95,7 +95,7 @@ def user_input(user_question):
 def main():
     st.set_page_config("Chat PDF")
     st.header("CSC 121: Computers and Scientific Thinking (Chatbot)")
-    st.subheader("Ask a question ONLY from the CSC 121 textbook of Dr. Reed")
+    st.subheader("Ask a question ONLY from the CSC 121 textbook of Dr. Reed",divider=True)
 
 
     user_question = st.text_input("Ask a question")