diff --git a/README.rst b/README.rst
index 032ec23..80d77fa 100644
--- a/README.rst
+++ b/README.rst
@@ -22,7 +22,8 @@ Install with pip::
 
 Options
 -------
-Since version 1.0 a check for an ``.isort.cfg`` file is done.
+Since version 1.0 a check for an ``.isort.cfg`` file is done,
+since version 1.1 ``setup.cfg`` is also checked for an ``[isort]`` section.
 
 This potentially avoids to lint a project that has no formal definition of how import should be sorted.