Added wikipedia link
diff --git a/cryptography/hazmat/backends/multibackend.py b/cryptography/hazmat/backends/multibackend.py
index 903bcce..86cded8 100644
--- a/cryptography/hazmat/backends/multibackend.py
+++ b/cryptography/hazmat/backends/multibackend.py
@@ -16,8 +16,8 @@
from cryptography import utils
from cryptography.exceptions import UnsupportedAlgorithm, _Reasons
from cryptography.hazmat.backends.interfaces import (
- CipherBackend, DSABackend, HMACBackend, HashBackend,
- PBKDF2HMACBackend, RSABackend
+ CipherBackend, DSABackend, HMACBackend, HashBackend, PBKDF2HMACBackend,
+ RSABackend
)
diff --git a/docs/hazmat/primitives/mac/cmac.rst b/docs/hazmat/primitives/mac/cmac.rst
index c2a50cd..be35014 100644
--- a/docs/hazmat/primitives/mac/cmac.rst
+++ b/docs/hazmat/primitives/mac/cmac.rst
@@ -10,7 +10,7 @@
import binascii
key = binascii.unhexlify(b"0" * 32)
-Cipher-based message authentication codes (or CMACs) are a tool for calculating
+`Cipher-based message authentication codes`_ (or CMACs) are a tool for calculating
message authentication codes using a block cipher coupled with a
secret key. You can use an CMAC to verify both the integrity and authenticity
of a message.
@@ -98,3 +98,6 @@
:return bytes: The message authentication code as bytes.
:raises cryptography.exceptions.AlreadyFinalized:
+
+
+.. _`Cipher-based message authentication codes`: https://en.wikipedia.org/wiki/CMAC