1st, I think that's permissible to do. 2nd, Assuming it is, is that a "best practice" kind of thing to do. For example, I have a humorous hub on gift giving. At Christmas, I change it to title which includes the word "Christmas" and after Christmas, I change it to a generalized gift-giving title. I'm writing one now on last minute ideas for company coming and since it's close to Easter, I'm wondering if I should include that in the title and change it later.