added docs stuff on when added
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index c8cec58..1d69d9c 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -6,6 +6,8 @@
.. note:: This version is not yet released and is under active development.
+* Added key-rotation support to :doc:`Fernet </fernet>` with
+ :class:`~cryptography.fernet.MultiFernet`.
* More bit-lengths are now support for ``p`` and ``q`` when loading DSA keys
from numbers.
* Added :class:`~cryptography.hazmat.primitives.interfaces.MACContext` as a
diff --git a/docs/fernet.rst b/docs/fernet.rst
index 1ff6cdb..f1a4c74 100644
--- a/docs/fernet.rst
+++ b/docs/fernet.rst
@@ -75,6 +75,8 @@
.. class:: MultiFernet(fernets)
+ .. versionadded:: 0.7
+
This class implements key rotation for Fernet. It takes a ``list`` of
:class:`Fernet` instances, and implements the same API: