Added changelog and versionadded for CMAC
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 9e89e56..106e0ab 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -11,6 +11,8 @@
to :class:`~cryptography.hazmat.primitives.asymmetric.padding.PSS`. It will be
removed from ``MGF1`` in two releases per our :doc:`/api-stability` policy.
+* Added :class:`~cryptography.hazmat.primitives.cmac.CMAC`.
+
0.3 - 2014-03-27
~~~~~~~~~~~~~~~~
diff --git a/docs/hazmat/primitives/mac/cmac.rst b/docs/hazmat/primitives/mac/cmac.rst
index 69706bb..a6b048b 100644
--- a/docs/hazmat/primitives/mac/cmac.rst
+++ b/docs/hazmat/primitives/mac/cmac.rst
@@ -19,6 +19,8 @@
.. class:: CMAC(algorithm, backend)
+ .. versionadded:: 0.4
+
CMAC objects take a
:class:`~cryptography.hazmat.primitives.interfaces.BlockCipherAlgorithm` provider.