improve language in generate_rsa_parameters_supported docs
diff --git a/docs/hazmat/backends/interfaces.rst b/docs/hazmat/backends/interfaces.rst
index 238c2e7..78a35cd 100644
--- a/docs/hazmat/backends/interfaces.rst
+++ b/docs/hazmat/backends/interfaces.rst
@@ -279,9 +279,9 @@
Check if the specified parameters are supported for key generation by
the backend.
- :param int public_exponent: The public exponent desired.
+ :param int public_exponent: The public exponent.
- :param int key_size: The length in bits of the modulus desired.
+ :param int key_size: The bit length of the generated modulus.
.. method:: decrypt_rsa(private_key, ciphertext, padding)