No credit card required
Browse credit cards from a variety of issuers to see if there's a better card for you.
I have the same notation, and it's appeared since I signed up with CCT in October of last year. No idea what the criteria is.
Wish I had an informative, useful answer, but it seems to me like this sort of stuff just happens without much rhyme or reason. I mean as long as it's actually accurate to begin with. I've had various reasons listed come and go without anything really changing in my profile. I might get reason A listed for 5 months, then suddenly it's gone...even though it's still true for my profile...but maybe it'll be back in a year or two, again even though seemingly nothing's changed. *shrug*
Sometimes I think they just want to be able to tell you something.