improve changelog information around csrbuilder
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 85f8447..0946b8b 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -25,7 +25,13 @@
* Raise a ``TypeError`` when passing objects that are not text as the value to
:class:`~cryptography.x509.NameAttribute`.
* Add support for creating certificate signing requests with
- :class:`~cryptography.x509.CertificateSigningRequestBuilder`.
+ :class:`~cryptography.x509.CertificateSigningRequestBuilder`. This includes
+ support for the following extensions:
+
+ * :class:`~cryptography.x509.BasicConstraints`
+ * :class:`~cryptography.x509.ExtendedKeyUsage`
+ * :class:`~cryptography.x509.KeyUsage`
+ * :class:`~cryptography.x509.SubjectAlternativeName`
0.9.3 - 2015-07-09
~~~~~~~~~~~~~~~~~~