Originally Posted by rove312

For where to change the category, the site says:

I've already changed it, and don't know if I can fully replicate it, but on a desktop browser, when logging in, select the card, then Rewards, you get the six options, and click the one you want.

For a while, I've only used the card for some automatically set up charges to charity, and when I made the selection today, I thought it said those were all in the Online Shopping category, but I don't find it saying that as I check it again.