diff --git a/CHANGES.rst b/CHANGES.rst
index f66f0a839..67508c19d 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -8,6 +8,7 @@ Added
 - Declare Python 3.11 as supported in package metadata.
 - Document how to set up a development environment and run tests and linters in
   ``CONTRIBUTING.rst``.
+- Clarify configuration of reformatter/linter tools in README and ``--help``.
 
 Fixed
 -----