Update README.md

blender_viz/README.md

@@ -4,7 +4,7 @@
 2. Clone `https://github.com/HTDerekLiu/BlenderToolbox` under `$BLENDER_PATH`
 3. In `blender_script.py`, set `BLENDER_PATH` accordingly. Also set `mesh_folder_path` and `output_path` to the source mesh folder path and the desired output path.
 4. Change the scale and orientation of the mesh to render in `blender_script.py` if necessary
-5. Optionally, change the number of samples （`num_samples`) in `blender_viz` to balance between speed and quality
+5. Optionally, change the number of samples (`num_samples`) in `blender_viz` to balance between speed and quality
 6. Run `$PATH_TO_BLENDER/blender --background --python ./blender_script.py`