diff --git a/CHANGES.rst b/CHANGES.rst
index 2843d6da7..cf80a49c0 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -42,6 +42,7 @@ Added
 - Document how to set up a development environment, run tests, run linters and update
   contributors list in ``CONTRIBUTING.rst``.
 - Document how to pin reformatter/linter versions in ``pre-commit``.
+- Clarify configuration of reformatter/linter tools in README and ``--help``.
 
 Fixed
 -----