fix doc formatting and rename update param to "data"
diff --git a/docs/primitives/cryptographic-hashes.rst b/docs/primitives/cryptographic-hashes.rst
index 6e8f601..397e50d 100644
--- a/docs/primitives/cryptographic-hashes.rst
+++ b/docs/primitives/cryptographic-hashes.rst
@@ -3,17 +3,16 @@
.. class:: cryptography.primitives.hashes.BaseHash
- Abstract base class that implements a common interface for
- all hash algorithms that follow here
+ Abstract base class that implements a common interface for all hash
+ algorithms that follow here.
- .. method:: update(string)
+ .. method:: update(data)
- :param bytes string: The bytes you wish to hash.
+ :param bytes data The bytes you wish to hash.
.. method:: copy()
- :return: a new instance of this object with a
- copied internal state.
+ :return: a new instance of this object with a copied internal state.
.. method:: digest()