README.md in nesta-0.14.0

- old
+ new

@@ -2,6 +2,6 @@
 <%= '=' * @name.length %>============
 
 <%= @name %> is a theme for Nesta, a [Ruby CMS](nesta), designed by
 <insert your name here>.
 
-[nesta]: http://nestacms.com
+[nesta]: https://nestacms.com