add changelog entry
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index f0e373b..1841091 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -79,6 +79,14 @@
 * Fixed building against LibreSSL, a compile-time substitute for OpenSSL.
 * FreeBSD 9.2 was removed from the continuous integration system.
 * Added
+  :class:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePrivateKeyWithSerialization`
+  and deprecated
+  :class:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePrivateKeyWithNumbers`.
+* Added
+  :meth:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePrivateKeyWithSerialization.private_bytes`
+  to
+  :class:`~cryptography.hazmat.primitives.asymmetric.ec.EllipticCurvePrivateKeyWithSerialization`.
+* Added
   :class:`~cryptography.hazmat.primitives.asymmetric.rsa.RSAPrivateKeyWithSerialization`
   and deprecated
   :class:`~cryptography.hazmat.primitives.asymmetric.rsa.RSAPrivateKeyWithNumbers`.