Update app.py

app.py

@@ -46,8 +46,13 @@ def query_annual_report(query):
     response = query_engine.query(query)
     return response.response
 
-# Streamlit app setup
-st.title("Annual Reports-BD-Firms")
+# Adjust the title based on the selected model
+st.header(f"`{model_display_name}` Model")
+
+with st.expander("About this App"):
+    st.write(f"""
+    This ChatApp allows users to communicate with custom Annual Report from BD Firms. 
+    """)
 
 # Initialize chat history
 if "messages" not in st.session_state: