add changelog entry for osrandom (#3298)
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 0d2801b..e1158d8 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -10,6 +10,10 @@
will need to upgrade.
* Added support for Diffie-Hellman key exchange using
:meth:`~cryptography.hazmat.primitives.asymmetric.dh.DHPrivateKeyWithSerialization.exchange`
+* The OS random engine for OpenSSL has been rewritten to improve compatibility
+ with embedded Python and other edge cases. More information about this change
+ can be found in the
+ `pull request <https://github.com/pyca/cryptography/pull/3229>`_.
1.6 - 2016-11-22
~~~~~~~~~~~~~~~~