Sort list of OSes with packages

docs/install.rst

@@ -140,16 +140,6 @@ of the ``/etc/letsencrypt`` directory, see :ref:`where-certs`.
 Operating System Packages
 -------------------------
 
-**FreeBSD**
-
-  * Port: ``cd /usr/ports/security/py-certbot && make install clean``
-  * Package: ``pkg install py27-certbot``
-
-**OpenBSD**
-
-  * Port: ``cd /usr/ports/security/letsencrypt/client && make install clean``
-  * Package: ``pkg_add letsencrypt``
-
 **Arch Linux**
 
 .. code-block:: shell
@@ -182,6 +172,11 @@ repo, if you have not already done so. Then run:
 
     sudo dnf install certbot python2-certbot-apache
 
+**FreeBSD**
+
+  * Port: ``cd /usr/ports/security/py-certbot && make install clean``
+  * Package: ``pkg install py27-certbot``
+
 **Gentoo**
 
 The official Certbot client is available in Gentoo Portage. If you
@@ -217,6 +212,11 @@ For the time being, this is the only way for the Apache plugin to recognise
 the appropriate directives when installing the certificate.
 Note: this change is not required for the other plugins.
 
+**OpenBSD**
+
+  * Port: ``cd /usr/ports/security/letsencrypt/client && make install clean``
+  * Package: ``pkg_add letsencrypt``
+
 **Other Operating Systems**
 
 OS packaging is an ongoing effort. If you'd like to package