Update app.py

app.py

@@ -518,7 +518,7 @@ 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, Stable Diffusion 2.1 model `stabilityai/stable-diffusion-2-base` by [Stability AI](https://stability.ai/) is "
+      "design your own prompt to generate the cover art, or you can let the LLaMA2 to generate one for you. Currently, Stable Diffusion XL model `stabilityai/stable-diffusion-xl-base-1.0` by [Stability AI](https://stability.ai/) is "
       "used.",
       elem_classes=['center', 'small-big'])
 
@@ -585,7 +585,7 @@ with gr.Blocks(css=STYLES) as demo:
 
       with gr.Tab("Exporting/Sharing"):
         with gr.Column(elem_classes=['group-border']):
-          gr.Markdown("generate cover art with [`stabilityai/stable-diffusion-2-base`](https://huggingface.co/stabilityai/stable-diffusion-2-base) model. "
+          gr.Markdown("generate cover art with [`stabilityai/stable-diffusion-xl-base-1.0`](https://huggingface.co/stabilityai/stable-diffusion-xl-base-1.0) model. "
                       "design your own prompt in the textbox below, or just hit 'generate prompt for cover art` button. LLaMA2 "
                       "model will suggest a prompt for you based on your story.")