update docs, add name attribute to backend
diff --git a/docs/hazmat/backends/common-crypto.rst b/docs/hazmat/backends/common-crypto.rst
index edd45b6..ad4cc21 100644
--- a/docs/hazmat/backends/common-crypto.rst
+++ b/docs/hazmat/backends/common-crypto.rst
@@ -3,26 +3,16 @@
 CommonCrypto Backend
 ====================
 
-These are `CFFI`_ bindings to the `CommonCrypto`_ C library provided by Apple
-on OS X and iOS.
+The `CommonCrypto`_ C library provided by Apple on OS X and iOS.
 
 .. currentmodule:: cryptography.hazmat.backends.commoncrypto.backend
 
 .. data:: cryptography.hazmat.backends.commoncrypto.backend
 
-    This is the exposed API for the CommonCrypto bindings. It has two public
-    attributes:
+    This is the exposed API for the OpenSSL backend. It has one public attribute.
 
-    .. attribute:: ffi
+    .. attribute:: name
 
-        This is a :class:`cffi.FFI` instance. It can be used to allocate and
-        otherwise manipulate CommonCrypto structures.
+    The string name of the backend.
 
-    .. attribute:: lib
-
-        This is a ``cffi`` library. It can be used to call CommonCrypto
-        functions, and access constants.
-
-
-.. _`CFFI`: https://cffi.readthedocs.org/
 .. _`CommonCrypto`: https://developer.apple.com/library/mac/documentation/Darwin/Reference/ManPages/man3/Common%20Crypto.3cc.html