switch size of subheadings

docs/packaging.rst

@@ -43,11 +43,11 @@ Notes for package maintainers
 5. Do get in touch with us. We are happy to make any changes that will make packaging easier. If you need to apply some patches don't do it downstream - make a PR here.
 
 Already ongoing efforts
------------------------
+=======================
 
 
 Arch
-====
+----
 
 From PyPI:
 - https://www.archlinux.org/packages/community/any/python2-acme
@@ -59,12 +59,12 @@ From PyPI:
 From ``master``: https://aur.archlinux.org/packages/letsencrypt-git
 
 Debian (and its derivatives, including Ubuntu)
-======
+------
 
 https://alioth.debian.org/projects/letsencrypt/
 
 Fedora
-======
+------
 
 In Fedora 23+.
 
@@ -73,17 +73,17 @@ In Fedora 23+.
 - https://bugzilla.redhat.com/show_bug.cgi?id=1287193 (review request, closed)
 
 FreeBSD
-=======
+-------
 
 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=203405
 
 GNU Guix
-========
+--------
 
 - https://www.gnu.org/software/guix/package-list.html#letsencrypt
 
 OpenBSD
-=======
+-------
 
 - http://cvsweb.openbsd.org/cgi-bin/cvsweb/ports/security/letsencrypt/
 - https://github.com/letsencrypt/letsencrypt/pull/1175