Update README.md

README.md

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 [**Project Page**](https://diffuman4d.github.io/) | [**Paper**](https://arxiv.org/abs/2507.13344) | [**Code**](https://github.com/zju3dv/Diffuman4D) |  [**Model**](https://huggingface.co/krahets/Diffuman4D)
 
-This repo provides several example scenes for testing Diffuman4D. For more testing (and training) data, see [this repo](https://huggingface.co/datasets/krahets/dna_rendering_processed).
+This repo provides several example scenes for testing Diffuman4D. Note that these scenes are not part of the official DNA-Rendering dataset. For more testing (and training) data, see [this repo](https://huggingface.co/datasets/krahets/dna_rendering_processed).
 
 ![diffuman4d_example_1080p](assets/images/diffuman4d_example_1080p.gif)