demo header update

app.py

@@ -212,8 +212,8 @@ async () => {
 """
 
 with gr.Blocks(css="style.css") as demo:
-    gr.Markdown("# Pix2pix-Turbo: **Sketch**", elem_id="description")
-    gr.Markdown("**Paper:** One-Step Image Translation with Text-to-Image Models", elem_id="paper_name")
+    gr.Markdown("# pix2pix-Turbo: **Sketch**", elem_id="description")
+    gr.Markdown("**Paper:** [One-Step Image Translation with Text-to-Image Models](https://arxiv.org/abs/2403.12036) ", elem_id="paper_name")
     gr.Markdown("**GitHub:** https://github.com/GaParmar/img2img-turbo", elem_id="github")
     # these are hidden buttons that are used to trigger the canvas changes
     line = gr.Checkbox(label="line", value=False, elem_id="cb-line")