diff --git a/docs/development_testing.md b/docs/development_testing.md
index 89b63502..d6a37922 100644
--- a/docs/development_testing.md
+++ b/docs/development_testing.md
@@ -84,10 +84,9 @@ pre-commit run --show-diff-on-failure
 The linters are also available directly, you can run tests on individual files:
 
 ```shell
-flake8 homeassistant/core.py
+ruff homeassistant/core.py
 pylint homeassistant/core.py
 black homeassistant/core.py
-isort homeassistant/core.py
 ```
 
 ### Notes on PyLint and PEP8 validation