Update app.py

app.py

@@ -89,7 +89,7 @@ def query(image, confidence_threshold):
 with gr.Blocks() as demo:
   gr.Markdown("## Real Time Object Tracking with RT-DETR")
   gr.Markdown("This is a demo for object tracking using RT-DETR. It runs on ZeroGPU which captures GPU every first time you infer, so the model is actually faster than the inference in this demo.")
-  gr.Markdown("Simply upload a video and enter the candidate labels, or try the example below. 👇")
+  gr.Markdown("Simply upload a video, you can also play with confidence threshold, or try the example below. 👇")
   with gr.Row():
     with gr.Column():
         input_video = gr.Video(