diff --git a/docs/changelog.rst b/docs/changelog.rst
index 545d694..5a8e980 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -12,6 +12,8 @@
   :class:`~cryptography.hazmat.backends.interfaces.CipherBackend`.
 * Added support for the OpenSSL backend under Windows.
 * Improved thread-safety for the OpenSSL backend.
+* Fixed compilation on systems where OpenSSL's ``ec.h`` header is not
+  available, such as CentOS.
 
 0.1 - 2014-01-08
 ~~~~~~~~~~~~~~~~