add changelog entry
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index a25ec6d..df78acd 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -9,6 +9,9 @@
* :func:`~cryptography.hazmat.primitives.serialization.load_ssh_public_key` can
now load elliptic curve public keys.
* Added
+ :attr:`~cryptography.x509.Certificate.signature_algorithm` support to
+ :class:`~cryptography.x509.Certificate`.
+* Added
:func:`~cryptography.hazmat.primitives.asymmetric.rsa.rsa_recover_prime_factors`
* :class:`~cryptography.hazmat.primitives.hashes.HashAlgorithm` and
:class:`~cryptography.hazmat.primitives.hashes.HashContext` were moved from