doc: Change options at STEP 5 in CONTRIBUTING.md

PR-URL: #12830
Reviewed-By: Vse Mozhet Byt <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Refael Ackermann <[email protected]>
Reviewed-By: Daijiro Wachi <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Gibson Fahnestock <[email protected]>
Reviewed-By: Alexey Orlenko <[email protected]>

Author: kysnm

CONTRIBUTING.md

@@ -170,7 +170,14 @@ C++ linting.
 If you are updating tests and just want to run a single test to check it:
 
 ```text
-$ python tools/test.py -v --mode=release parallel/test-stream2-transform
+$ python tools/test.py -J --mode=release parallel/test-stream2-transform
+```
+
+If you want to check the other options, please refer to the help by using
+the `--help` option
+
+```text
+$ python tools/test.py --help
 ```
 
 You can usually run tests directly with node: