add OpenSSL from RHEL/CentOS 7 to testing list
diff --git a/docs/installation.rst b/docs/installation.rst
index 6b8bb21..76f0439 100644
--- a/docs/installation.rst
+++ b/docs/installation.rst
@@ -28,6 +28,7 @@
 * ``OpenSSL 0.9.8y``
 * ``OpenSSL 1.0.0-fips`` (``RHEL/CentOS 6.4``)
 * ``OpenSSL 1.0.1``
+* ``OpenSSL 1.0.1e-fips`` (``RHEL/CentOS 7``)
 * ``OpenSSL 1.0.1e-freebsd``
 * ``OpenSSL 1.0.1h``
 * ``OpenSSL 1.0.2 beta``