Update app.py

app.py

@@ -455,7 +455,7 @@ with gr.Blocks(css=STYLES) as demo:
       "This application is designed for you to collaborate with LLM to co-write stories. It is inspired by [Wordcraft project](https://wordcraft-writers-workshop.appspot.com/) from Google's PAIR and Magenta teams. "
       "This application built on [Gradio](https://www.gradio.app), and the underlying text generation is powered by [Hugging Face Inference API](https://huggingface.co/inference-api). The text generation model might"
       "be changed over time, but [meta-llama/Llama-2-70b-chat-hf](https://huggingface.co/meta-llama/Llama-2-70b-chat-hf) is selected for now. On the `exporting` tab, you can generate cover art for your story. You can "
-      "design your own prompt to generate the cover art, or you can let the LLaMA2 to generate one for you. Currently, the quantized Stable Diffusion model `nota-ai/bk-sdm-small` by [Nota AI](https://www.nota.ai/) is "
+      "design your own prompt to generate the cover art, or you can let the LLaMA2 to generate one for you. Currently, the quantized Stable Diffusion model `nota-ai/bk-sdm-base` by [Nota AI](https://www.nota.ai/) is "
       "used.",
       elem_classes=['center', 'small-big'])