doc: Fix lint by breaking line

Author: addityasingh

BUILDING.md

@@ -295,7 +295,8 @@ If you want to run the linter without running tests, use
 `make lint`/`vcbuild lint`. It will run both JavaScript linting and
 C++ linting.
 
-If you are updating tests and just want to run a single test (e.g. `test/parallel/test-stream2-transform.js`) to check it:
+If you are updating tests and just want to run a single test to check it
+e.g. To just run the tests in `test/parallel/test-stream2-transform.js`:
 
 ```text
 $ python tools/test.py -J --mode=release parallel/test-stream2-transform