diff --git a/Doc/whatsnew/3.11.rst b/Doc/whatsnew/3.11.rst
index 56a35f4e4802ba..2ee8cc95a7a85a 100644
--- a/Doc/whatsnew/3.11.rst
+++ b/Doc/whatsnew/3.11.rst
@@ -624,6 +624,12 @@ enum
 
 * ``EnumMeta`` renamed to ``EnumType`` (``EnumMeta`` kept as alias).
 
+* The output of ``Enum.__format__`` (which effects using enums with f-strings)
+  has changed to include both the enum name and the member name (e.g.
+  ``Enum.MEMBER``). In 3.10 and earlier it only included the member name (e.g.
+  ``MEMBER``). To restore the new behavior, inherit from a subclass of
+  ``ReprEnum``, such as ``IntEnum`` or ``StrEnum``.
+
 * ``StrEnum`` added -- enum members are and must be strings.
 
 * ``ReprEnum`` added -- causes only the ``__repr__`` to be modified, not the