Word wrap some long lines in teh docs
diff --git a/docs/hazmat/primitives/mac/cmac.rst b/docs/hazmat/primitives/mac/cmac.rst
index 23b1fea..498b8b1 100644
--- a/docs/hazmat/primitives/mac/cmac.rst
+++ b/docs/hazmat/primitives/mac/cmac.rst
@@ -10,8 +10,8 @@
import binascii
key = binascii.unhexlify(b"0" * 32)
-`Cipher-based message authentication codes`_ (or CMACs) are a tool for calculating
-message authentication codes using a block cipher coupled with a
+`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.
diff --git a/docs/hazmat/primitives/mac/index.rst b/docs/hazmat/primitives/mac/index.rst
index 4f07541..acfe9be 100644
--- a/docs/hazmat/primitives/mac/index.rst
+++ b/docs/hazmat/primitives/mac/index.rst
@@ -6,7 +6,8 @@
While cryptography supports both the CMAC and HMAC algorithms, we strongly
recommend that HMAC should be used unless you have a good reason otherwise.
-For more information on why HMAC is preferred, see `Use cases for CMAC vs. HMAC?`_
+For more information on why HMAC is preferred, see `Use cases for CMAC vs.
+HMAC?`_
.. _`Use cases for CMAC vs. HMAC?`: http://crypto.stackexchange.com/questions/15721/use-cases-for-cmac-vs-hmac
diff --git a/docs/hazmat/primitives/symmetric-encryption.rst b/docs/hazmat/primitives/symmetric-encryption.rst
index 0e3a451..bca7835 100644
--- a/docs/hazmat/primitives/symmetric-encryption.rst
+++ b/docs/hazmat/primitives/symmetric-encryption.rst
@@ -21,8 +21,8 @@
decrypt them.
For this reason it is **strongly** recommended to combine encryption with a
-message authentication code, such as :doc:`HMAC </hazmat/primitives/mac/hmac>`, in
-an "encrypt-then-MAC" formulation as `described by Colin Percival`_.
+message authentication code, such as :doc:`HMAC </hazmat/primitives/mac/hmac>`,
+in an "encrypt-then-MAC" formulation as `described by Colin Percival`_.
.. class:: Cipher(algorithm, mode, backend)