diff --git a/CHANGES.rst b/CHANGES.rst
index 3f34bf3b7..cc88f78a5 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -10,6 +10,10 @@ Added
   `pytest#5908 <https://github.com/pytest-dev/pytest/issues/5908>`_.
 - Black's ``target-version =`` configuration file option and ``-t`` /
   ``--target-version`` command line option
+- Linters are now run twice: once for ``rev1`` to get a baseline, and another time for
+  ``rev2`` to get the current situation. Old linter messages which fall on unmodified
+  lines are hidden, so effectively the user gets new linter messages introduced by
+  latest changes, as well as persistent linter messages on modified lines.
 
 
 Fixed