如何在Rails页面上添加可编辑的“静态”文本

I'm building a Rails weblog for a client, and he wants to have a site description he can edit. I'm not sure how to do it. In PHP I'd just save it to a separate table in the DB and save it on a column, and retrieve with a query, but my PHP times are far away. I'm building a Rails weblog for a client, and h