Update app.py

app.py

@@ -49,7 +49,7 @@ with st.sidebar:
     # Reference section
     st.subheader("References:")
     st.markdown(
-        '[Multi-Agent System with CrewAI and LangChain](https://discuss.streamlit.io/t/new-project-i-have-build-a-multi-agent-system-with-crewai-and-langchain/84002)',
+        '1. [Multi-Agent System with CrewAI and LangChain](https://discuss.streamlit.io/t/new-project-i-have-build-a-multi-agent-system-with-crewai-and-langchain/84002)',
         unsafe_allow_html=True
     )