I was genuinely going to put in the description "this can be done in one word, so please don't fall down a substring rabbithole" but then I thought.... nah :)

But that's probably why I'm getting a few downvotes now.

Initcap! So small, so handy.

Hmm, I don't think I can actually make the change though it is something to check against I still wouldn't be able to confirm you use special_sales or not.