Fix 5B quickstart to mlx_wan22_generate.py entrypoint

README.md

@@ -39,10 +39,12 @@ pip install torch transformers mlx safetensors av imageio imageio-ffmpeg
 git clone https://github.com/FastVideo/FastVideo.git
 cd FastVideo
 
-python examples/inference/basic/mlx_wan_prompt_to_video.py \
-  --model-root ./FastMetal-5B-QAD \
+python examples/inference/basic/mlx_wan22_generate.py \
+  --text-encoder-root ./FastMetal-5B-QAD \
   --mlx-checkpoint ./FastMetal-5B-QAD \
-  --prompt "a river winding through a fantasy valley at golden hour"
+  --vae-root ./FastMetal-5B-QAD/vae \
+  --prompt "a river winding through a fantasy valley at golden hour" \
+  --fast
 ```
 
 ## Model details