add openssl version check instructions to release docs
diff --git a/docs/doing-a-release.rst b/docs/doing-a-release.rst
index dd62c79..8c85827 100644
--- a/docs/doing-a-release.rst
+++ b/docs/doing-a-release.rst
@@ -1,12 +1,19 @@
Doing a release
===============
-Doing a release of ``cryptography`` is a two part process.
+Doing a release of ``cryptography`` requires a few steps.
+
+Verifying OpenSSL version
+-------------------------
+
+The release process uses a static build for Windows wheels. Check that the
+Windows Jenkins builders are on the latest version of OpenSSL before performing
+the release.
Bumping the version number
--------------------------
-The first step in doing a release is bumping the version number in the
+The next step in doing a release is bumping the version number in the
software.
* Update the version number in ``cryptography/__about__.py``.