support byteslike in KBKDFHMAC (#4711)
diff --git a/docs/hazmat/primitives/key-derivation-functions.rst b/docs/hazmat/primitives/key-derivation-functions.rst
index 64a22c0..be03b19 100644
--- a/docs/hazmat/primitives/key-derivation-functions.rst
+++ b/docs/hazmat/primitives/key-derivation-functions.rst
@@ -690,7 +690,8 @@
.. method:: derive(key_material)
- :param bytes key_material: The input key material.
+ :param key_material: The input key material.
+ :type key_material: :term:`bytes-like`
:return bytes: The derived key.
:raises TypeError: This exception is raised if ``key_material`` is
not ``bytes``.