Point install instructions to upstream mlx-audio

README.md

@@ -36,12 +36,12 @@ Other MLX variants:
 
 ## Install
 
-MiniMax Music 3 support is proposed in
+MiniMax Music 3 support was merged upstream in
 [`Blaizzy/mlx-audio#888`](https://github.com/Blaizzy/mlx-audio/pull/888).
-Until that PR is released, install the tested commit directly:
+Until a PyPI release includes it, install the upstream merge commit directly:
 
 ```bash
-python -m pip install "mlx-audio @ git+https://github.com/pinglin/mlx-audio.git@c2fa486ddf98ea8268c227b6d624b2f9ba00dbab"
+python -m pip install "mlx-audio @ git+https://github.com/Blaizzy/mlx-audio.git@784b29e2691a93ca7483147d86f61859dfaa6296"
 ```
 
 ## Generate