diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index 91b09c73752..f1e1e2d6607 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -513,7 +513,7 @@ Now you can run your tests:
 
 ::
 
-   python -m nox -e "pytest-3.7(coverage=False)" -- tests/unit/cli/test_batch.py
+    python -m nox -e "test-3(coverage=False)" -- tests/unit/cli/test_batch.py
 
 It's a good idea to install
 `espeak <https://github.com/espeak-ng/espeak-ng>`__ or use ``say`` on
@@ -522,11 +522,30 @@ this:
 
 ::
 
-   python -m nox -e "pytest-3.7(coverage=False)" -- tests/unit/cli/test_batch.py; espeak "Tests done, woohoo!"
+    python -m nox -e "test-3(coverage=False)" -- tests/unit/cli/test_batch.py; espeak "Tests done, woohoo!"
 
 That way you don't have to keep monitoring the actual test run.
 
 
+::
+
+    python -m nox -e "test-3(coverage=False)" -- --core-tests
+
+You can enable or disable test groups locally by passing there respected flag:
+ * "--no-fast-tests" - Tests that are ~10s or faster.
+    Fast tests make up ~75% of tests and can run in 10 to 20 minutes.
+ * "--slow-tests" - Tests that are ~10s or slower.
+ * "--core-tests" - Tests of any speed that test the root parts of salt.
+ * "--flaky-jail" - Test that need to be temporarily skipped.
+
+In Your PR you can enable or disable test groups by setting a label.
+All thought the fast, slow and core tests specified in the change file will always run.
+ * 'test:no-fast"
+ * "test:core"
+ * "test:slow"
+ * "test:flaky-jail"
+
+
 Changelog and commit!
 ---------------------
 When you write your commit message you should use imperative style. Do