diff --git a/asset/docs/ComfyUI/comfyui.md b/asset/docs/ComfyUI/comfyui.md
index bebcab4..1991c58 100644
--- a/asset/docs/ComfyUI/comfyui.md
+++ b/asset/docs/ComfyUI/comfyui.md
@@ -33,7 +33,7 @@ python main.py
 
 [![Sample T2I + I2V](https://raw.githubusercontent.com/NVlabs/Sana/refs/heads/page/asset/content/comfyui/sana-cogvideox.jpg)](https://nvlabs.github.io/Sana/asset/content/comfyui/Sana_CogVideoX_Fun.mp4)
 
-### A sample workflow for Sana 4096x4096 image
+### A sample workflow for Sana 4096x4096 image (18GB GPU is needed)
 
 [Sana workflow](Sana_FlowEuler_4K.json)