diff --git a/CHANGES.rst b/CHANGES.rst
index a5fd39f27..098d40dd9 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -12,6 +12,8 @@ Added
 - CI workflow to post recent project activity in a discussion. Triggered manually.
 - The ``--preview`` configuration flag is now supported in the configuration files for
   Darker and Black
+- The ``--formatter=black`` option (the default) has been added in preparation for
+  future formatters.
 
 Fixed
 -----