Ask HN: Writing a website for my parents' business. Tooling suggestions?

So my parents have their own small business and asked me some time ago to build a website for it. I put together a quick static HTML site which they were happy with at the time, but now they have requests for updates and various maintenance work.

Rather than be the middleman for this and every other future update that this site needs, I'm thinking about trying to prepare some kind of CMS or other solution whereby they can make simple content updates themselves. Keep in mind these are my parents, so I need a solution for the absolutely-not-tech-savvy. I also don't want an overkill solution because ultimately that will be additional maintenance work that lands on me.

Some preliminary thoughts: Wordpress? Django-CMS? Some kind of dropbox syncing trick?

I'd love your thoughts. Thanks!