Update app.py

app.py

@@ -584,15 +584,17 @@ with gr.Blocks(title="SPLADE Demos", css=css) as demo:
                 allow_flagging="never"
             )
     
-    # --- MODIFIED CITATION BLOCK ---
+    # --- UPDATED CITATION BLOCK WITH TWO REFERENCES ---
     gr.Markdown(
         """
         ---
         ### References
 
-        1.  Lassance, C., Déjean, H., Formal, T., & Clinchant, S. (2024). **SPLADE-v3: New baselines for SPLADE**. *arXiv preprint arXiv:2403.06789*. Available at: [https://arxiv.org/abs/2403.06789](https://arxiv.org/abs/2403.06789)
+        This demo utilizes **SPLADE** models. For more details, please refer to the following papers:
 
-        2.  (Placeholder for your second reference) Example Author, B. (Year). **Title of Second Paper**. *Journal/Conference Name, Volume*(Issue), Pages. Available at: [https://example.com/second_paper](https://example.com/second_paper)
+        1.  Formal, T., Lassance, C., Piwowarski, B., & Clinchant, S. (2022). **From Distillation to Hard Negative Sampling: Making Sparse Neural IR Models More Effective**. *arXiv preprint arXiv:2205.04733*. Available at: [https://arxiv.org/abs/2205.04733](https://arxiv.org/abs/2205.04733)
+
+        2.  Lassance, C., Déjean, H., Formal, T., & Clinchant, S. (2024). **SPLADE-v3: New baselines for SPLADE**. *arXiv preprint arXiv:2403.06789*. Available at: [https://arxiv.org/abs/2403.06789](https://arxiv.org/abs/2403.06789)
         """
     )