Fixed some confusing type descriptions in docs (#4231)
diff --git a/docs/hazmat/primitives/key-derivation-functions.rst b/docs/hazmat/primitives/key-derivation-functions.rst
index 0196e43..0f3d1af 100644
--- a/docs/hazmat/primitives/key-derivation-functions.rst
+++ b/docs/hazmat/primitives/key-derivation-functions.rst
@@ -282,7 +282,6 @@
:raises cryptography.exceptions.UnsupportedAlgorithm: This is raised if the
provided ``backend`` does not implement
:class:`~cryptography.hazmat.backends.interfaces.HMACBackend`
- :raises TypeError: This is raised if the provided ``info`` is a unicode object
:raises TypeError: This exception is raised if ``info`` is not ``bytes``.
.. method:: derive(key_material)
@@ -290,8 +289,6 @@
:param bytes key_material: The input key material.
:return bytes: The derived key.
- :raises TypeError: This is raised if the provided ``key_material`` is
- a unicode object
:raises TypeError: This exception is raised if ``key_material`` is not
``bytes``.
@@ -314,7 +311,7 @@
called more than
once.
:raises TypeError: This is raised if the provided ``key_material`` is
- a unicode object
+ a ``unicode`` object
This checks whether deriving a new key from the supplied
``key_material`` generates the same key as the ``expected_key``, and