Update README.md

Author: animan42

README.md

@@ -30,7 +30,7 @@ pip install -e .
 
 To generate 3D models using the downloaded models simply run:
 ```bash
-python3 generate.py --gpt-ckpt-path model_weights/gpt.safetensors --shape-ckpt-path model_weights/shape.safetensors --prompt "A pair of noise-canceling headphones" --fast-inference
+python3 generate.py --gpt-ckpt-path model_weights/gpt.safetensors --shape-ckpt-path model_weights/shape.safetensors --prompt "sleek vintage green couch with clean lines and velvet material" --fast-inference
 ```
 
 The output will be an `.obj` file saved in the specified `output` directory.