diff --git a/o-voxel/README.md b/o-voxel/README.md
index 0dba0bf..465523d 100644
--- a/o-voxel/README.md
+++ b/o-voxel/README.md
@@ -18,7 +18,7 @@ This library provides an efficient implementation for the instant bidirectional
 
 ```bash
 git clone -b main https://github.com/microsoft/TRELLIS.2.git --recursive
-pip install TRELLIS.2/o_voxel --no-build-isolation
+pip install TRELLIS.2/o-voxel --no-build-isolation
 ```
 
 ## Quick Start