Update README.md

README.md

@@ -9,11 +9,11 @@ library_name: diffusers
 </p>
 
 
-This model is fine-tuned from stable-diffusion-xl-base-1.0 on offline human preference data pickapic_v2 using KTO.
+This model is fine-tuned from Stable Diffusion v1-5 on Pick-a-Pic v2 dataset using KTO.
 
 
 ### Usage
-```
+```python
 import torch
 from diffusers import AutoencoderKL, UNet2DConditionModel, DiffusionPipeline
 vae_path = model_name = "runwayml/stable-diffusion-v1-5"