Update README.md

Author: YifuTao

Diff for: README.md

@@ -38,15 +38,16 @@ Currently, the NVS benchmakr is included in the reconstruction benchmark script,
 Please refer to [Angular's guide](https://github.com/angular/angular/blob/22b96b96902e1a42ee8c5e807720424abad3082a/CONTRIBUTING.md) for contributing.
 
 ### Formatting
-We use [Ruff](https://github.com/astral-sh/ruff) as the formatter and linter for Python, and Clang for C++. 
+We use [Ruff](https://github.com/astral-sh/ruff) as the formatter and linter for Python, and Clang for C++.
 
-Installing the [`pre-commit`](https://pre-commit.com/) will format and lint your code before you commit:
+Installing [`pre-commit`](https://pre-commit.com/) will format and lint your code before you commit:
 ```bash
-pip install pre-commit
+# pip install pre-commit
 pre-commit install
 ```
-You can also run Ruff manually:
+Alternatively, you can also run Ruff manually:
 ```bash
+# pip install ruff
 ruff check --fix --config pyproject.toml
 ruff format --config pyproject.toml
 ```