More phrasing
diff --git a/docs/hazmat/backends/interfaces.rst b/docs/hazmat/backends/interfaces.rst
index 7549495..0349901 100644
--- a/docs/hazmat/backends/interfaces.rst
+++ b/docs/hazmat/backends/interfaces.rst
@@ -328,10 +328,10 @@
:class:`~cryptography.hazmat.primitives.interfaces.DSAPrivateKey`
provider.
- :raises ValueError: This is raised if the key size is not (1024, 2048,
- or 3072) or if the OpenSSL version is older than 1.0.0 and the key
- size is larger than 1024; older OpenSSL versions do not support
- keys larger than 1024 bits.
+ :raises ValueError: This is raised if the key size is not one of 1024,
+ 2048, or 3072. It is also raised when OpenSSL is older than version
+ 1.0.0 and the key size is larger than 1024; older OpenSSL versions
+ do not support keys larger than 1024 bits.
.. class:: CMACBackend