Update README.md

README.md

@@ -4,7 +4,9 @@ license: apache-2.0
 
 ## NextStep-1: Toward Autoregressive Image Generation with Continuous Tokens at Scale
 
-[Homepage](https://stepfun.ai/research/en/nextstep-1)  | [GitHub](https://github.com/stepfun-ai/NextStep-1)  | [Paper](https://github.com/stepfun-ai/NextStep-1/blob/main/nextstep_1_tech_report.pdf) 
+[Homepage](https://stepfun.ai/research/en/nextstep-1) 
+| [GitHub](https://github.com/stepfun-ai/NextStep-1) 
+| [Paper](https://arxiv.org/abs/2508.10711) 
 
 We introduce **NextStep-1**, a 14B autoregressive model paired with a 157M flow matching head, training on discrete text tokens and continuous image tokens with next-token prediction objectives.
 **NextStep-1** achieves state-of-the-art performance for autoregressive models in text-to-image generation tasks, exhibiting strong capabilities in high-fidelity image synthesis.
@@ -13,7 +15,7 @@ We introduce **NextStep-1**, a 14B autoregressive model paired with a 157M flow
 <img src="assets/teaser.jpg" class="interpolation-image" alt="arch." width="100%" />
 </div>
 
-## ENV Preparation
+## Environment Setup
 
 To avoid potential errors when loading and running your models, we recommend using the following settings:
 
@@ -83,7 +85,7 @@ image = pipeline.generate_image(
     timesteps_shift=3.2,
     seed=42,
 )[0]
-image.save(f"./assets/output.png")
+image.save(f"./assets/output.jpg")
 ```
 
 ## Citation