update title

demo.py

@@ -837,7 +837,10 @@ def create_demo():
 
     # Define the theme and layout
     with gr.Blocks(theme=gr.themes.Soft(), head=custom_js) as demo:
-        gr.Markdown("# EchoFlow Demo")
+        gr.Markdown(
+            "# EchoFlow: A Foundation Model for Cardiac Ultrasound Image and Video Generation"
+        )
+        gr.Markdown("## Preprint: https://arxiv.org/abs/2503.17898")
         gr.Markdown("## Dataset Generation Pipeline")
 
         gr.Markdown(