$ sudo pip install -r requirements.txt
```
-3. Serve locally (defaultly rendered at [127.0.0.1:8000/](127.0.0.1:8000/)):
+3. Serve locally (default rendered at [127.0.0.1:8000/](127.0.0.1:8000/)):
```sh
$ sudo mkdocs serve
$ sudo pip3 install git-review
```
-2. Write commit message (**Note:** Please follow [submitting changes](./4_Submitting_Changes.md) guideline to write your commit message.)
+2. Write commit message (**Note:** Please follow [submitting changes](./04_Submitting_Changes.md) guideline to write your commit message.)
```sh
# track all the new changes