Changed cmac_supported() to cmac_algorithm_supported()
diff --git a/docs/hazmat/backends/interfaces.rst b/docs/hazmat/backends/interfaces.rst
index 546aa76..394d060 100644
--- a/docs/hazmat/backends/interfaces.rst
+++ b/docs/hazmat/backends/interfaces.rst
@@ -327,9 +327,12 @@
A backend with methods for using CMAC
- .. method:: cmac_supported()
+ .. method:: cmac_algorithm_supported(algorithm)
- :return: True if CMAC is supported by the backend. False if otherwise.
+ :param algorithm: An instance of a
+ :class:`~cryptography.hazmat.primitives.interfaces.BlockCipherAlgorithm`
+ provider.
+ :return: Returns True if the block cipher is supported for CMAC by this backend
.. method:: create_cmac_ctx(algorithm)