Update CONTRIBUTING.md

Author: nhooyr

docs/CONTRIBUTING.md

@@ -20,21 +20,24 @@ on a PR that may be rejected.
 
 You can run tests normally with `go test`.
 You'll need the [Autobahn Test suite pip package](https://github.com/crossbario/autobahn-testsuite).
+In the future this dependency will be removed. See [#117](https://github.com/nhooyr/websocket/issues/117).
 
 On submission please check if CI has passed and if not, please correct your code such that it does.
-If necessary, you may run CI locally with the `ci/run.sh` script.
-You'll only need [shellcheck](https://github.com/koalaman/shellcheck#installing).
+If necessary, you may run CI locally with the `ci/run.sh` script which will fmt, lint and test your code
+with coverage.
+You'll need [shellcheck](https://github.com/koalaman/shellcheck#installing), node and the
+Autobahn Test suite linked above.
 
 For coverage details locally, please see `ci/out/coverage.html` after running `ci/run.sh` or `ci/test.sh`.
 For remote coverage, you can use either [codecov](https://codecov.io/gh/nhooyr/websocket) or download the
-`coverage.html` generated by the go tooling as an artifact on CI.
+`coverage.html` artifact on the test step in CI.
 
-You can also run any of the steps individually. All of them are scripts in the `ci` directory.
+You can also run any of the CI steps individually. All of them are scripts in the `ci` directory.
 
 See [../ci/lint.sh](../ci/lint.sh) and [../ci/test.sh](../ci/test.sh) for the
-installation of shellcheck and the Autobahn test suite on Debian or Ubuntu.
+installation of shellcheck, node and the Autobahn test suite on Debian or Ubuntu.
 
 For Go, please refer to the [offical docs](https://golang.org/doc/install).
 
 You can benchmark the library with `./ci/benchmark.sh`. You only need Go to run that script. Benchmark
-profiles generated by that script are also available for every CI job as artifacts.
+profiles generated by that script are also available as artifacts on the bench step.