mark shell code blocks as sh instead of bash
@@ -9,7 +9,7 @@ is a prerequisite to run this before code check in.
To run formatting:
-```bash
+```sh
./tools/format.py
```
@@ -20,6 +20,6 @@ It is a prerequisite to run this before code check in.
To run linting:
-```bash
+```sh
./tools/lint.py
```
