diff --git a/Doc/library/shutil.rst b/Doc/library/shutil.rst
index 59390d0e907eb9..525318f6ceff38 100644
--- a/Doc/library/shutil.rst
+++ b/Doc/library/shutil.rst
@@ -272,6 +272,13 @@ Directory and files operations
    .. versionadded:: 3.8
       The *dirs_exist_ok* parameter.
 
+   .. versionchanged:: 3.8
+      The types of the arguments to the *ignore* callable have changed. The
+      first argument (the directory being visited) can be a string, a
+      func:`os.DirEntry` or a func:`pathlib.Path`; Previously it was a string.
+      The second argument is a set of strings; previously it was a list of
+      strings.
+
 .. function:: rmtree(path, ignore_errors=False, onerror=None)
 
    .. index:: single: directory; deleting