diff --git a/docs/hazmat/primitives/symmetric-encryption.rst b/docs/hazmat/primitives/symmetric-encryption.rst
index c1c8d24..7d3b072 100644
--- a/docs/hazmat/primitives/symmetric-encryption.rst
+++ b/docs/hazmat/primitives/symmetric-encryption.rst
@@ -4,7 +4,7 @@
 Symmetric Encryption
 ====================
 
-.. currentmodule:: cryptography.hazmat.primitives.block
+.. currentmodule:: cryptography.hazmat.primitives.ciphers
 
 .. testsetup::
 
@@ -16,24 +16,23 @@
 Symmetric encryption is a way to encrypt (hide the plaintext value) material
 where the encrypter and decrypter both use the same key.
 
-.. class:: BlockCipher(cipher, mode)
+.. class:: Cipher(algorithm, mode)
 
-    Block ciphers work by encrypting content in chunks, often 64- or 128-bits.
-    They combine an underlying algorithm (such as AES), with a mode (such as
+    Cipher objects combine an algorithm (such as AES) with a mode (such as
     CBC, CTR, or GCM). A simple example of encrypting (and then decrypting)
     content with AES is:
 
     .. doctest::
 
-        >>> from cryptography.hazmat.primitives.block import BlockCipher, ciphers, modes
-        >>> cipher = BlockCipher(ciphers.AES(key), modes.CBC(iv))
+        >>> from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes
+        >>> cipher = Cipher(algorithms.AES(key), modes.CBC(iv))
         >>> encryptor = cipher.encryptor()
         >>> ct = encryptor.update(b"a secret message") + encryptor.finalize()
         >>> decryptor = cipher.decryptor()
         >>> decryptor.update(ct) + decryptor.finalize()
         'a secret message'
 
-    :param cipher: One of the ciphers described below.
+    :param algorithms: One of the algorithms described below.
     :param mode: One of the modes described below.
 
     .. method:: encryptor()
@@ -61,7 +60,7 @@
 
 .. class:: CipherContext
 
-    When calling ``encryptor()`` or ``decryptor()`` on a ``BlockCipher`` object
+    When calling ``encryptor()`` or ``decryptor()`` on a ``Cipher`` object
     you will receive a return object conforming to the ``CipherContext``
     interface. You can then call ``update(data)`` with data until you have fed
     everything into the context. Once that is done call ``finalize()`` to
@@ -72,9 +71,9 @@
         :param bytes data: The data you wish to pass into the context.
         :return bytes: Returns the data that was encrypted or decrypted.
 
-        When the ``BlockCipher`` was constructed in a mode turns it into a
+        When the ``Cipher`` was constructed in a mode that turns it into a
         stream cipher (e.g.
-        :class:`cryptography.hazmat.primitives.block.modes.CTR`), this will
+        :class:`cryptography.hazmat.primitives.ciphers.modes.CTR`), this will
         return bytes immediately, however in other modes it will return chunks,
         whose size is determined by the cipher's block size.
 
@@ -82,10 +81,10 @@
 
         :return bytes: Returns the remainder of the data.
 
-Ciphers
-~~~~~~~
+Algorithms
+~~~~~~~~~~
 
-.. currentmodule:: cryptography.hazmat.primitives.block.ciphers
+.. currentmodule:: cryptography.hazmat.primitives.ciphers.algorithms
 
 .. class:: AES(key)
 
@@ -153,7 +152,7 @@
 Modes
 ~~~~~
 
-.. currentmodule:: cryptography.hazmat.primitives.block.modes
+.. currentmodule:: cryptography.hazmat.primitives.ciphers.modes
 
 .. class:: CBC(initialization_vector)