diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index f1e1e2d6607..9f96a1f5b37 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -513,7 +513,7 @@ Now you can run your tests:
 
 ::
 
-    python -m nox -e "test-3(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
@@ -522,28 +522,27 @@ this:
 
 ::
 
-    python -m nox -e "test-3(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
+   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.
+You can enable or disable test groups locally by passing their 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"
+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!
diff --git a/doc/topics/tutorials/writing_tests.rst b/doc/topics/tutorials/writing_tests.rst
index c7dc82069d3..2d8c6beb99b 100644
--- a/doc/topics/tutorials/writing_tests.rst
+++ b/doc/topics/tutorials/writing_tests.rst
@@ -452,6 +452,61 @@ can be used
                )
 
 
+Test Groups
+===========
+Salt has four groups
+ * fast - Tests that are ~10s or faster. Fast tests make up ~75% of tests and can run in 10 to 20 minutes.
+ * core - Tests that are ~10s or slower.
+ * slow - Tests of any speed that test the root parts of salt.
+ * flaky-jail - Test that need to be temporarily skipped.
+
+
+Pytest Decorators
+* @pytest.mark.slow_test
+* @pytest.mark.core_test
+* @pytest.mark.flaky_jail
+
+.. code-block:: python
+    @pytest.mark.core_test
+    def test_ping(self):
+        """
+        test.ping
+        """
+        self.assertTrue(self.run_function("test.ping"))
+
+You can also mark all the tests in file.
+
+.. code-block:: python
+    pytestmark = [pytest.mark.core_test]
+
+
+    def test_ping(self):
+        """
+        test.ping
+        """
+        self.assertTrue(self.run_function("test.ping"))
+
+
+    def test_ping2(self):
+        """
+        test.ping
+        """
+        for _ in range(10):
+            self.assertTrue(self.run_function("test.ping"))
+
+You can enable or disable test groups locally by passing there respected flag:
+ * --no-fast-tests
+ * --slow-tests
+ * --core-tests
+ * --flaky-jail
+
+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:slow
+ * test:core
+ * test:flaky-jail
+
 
 Automated Test Runs
 ===================