Update src/streamlit_app.py

src/streamlit_app.py

@@ -737,7 +737,7 @@ st.title("Least-Loaded Expert Parallelism (LLEP)")
 st.markdown("""Compare **Standard EP** against the **LLEP (LLA/LLAS)** plan and visualize step-by-step spilling.
 
 [![Paper](https://img.shields.io/badge/Paper-arXiv-B31B1B?style=for-the-badge&logo=arxiv&logoColor=white)](https://arxiv.org/abs/placeholder)
-[![PDF](https://img.shields.io/badge/PDF-brightgreen?style=for-the-badge&logoColor=white)](./llep_paper.pdf)
+[![PDF](https://img.shields.io/badge/PDF-brightgreen?style=for-the-badge&logoColor=white)](https://github.com/SalesforceAIResearch/LeastLoadedEP/blob/main/llep_paper.pdf)
 [![GitHub](https://img.shields.io/badge/github-SalesforceAIResearch%2FLeastLoadedEP-blue?logo=github&style=for-the-badge)](https://github.com/SalesforceAIResearch/LeastLoadedEP)
 """, unsafe_allow_html=True)
 st.caption("""