Looks innocuous enough at first glance right? Let’s zoom in on the problem:
These don’t go together. If the semicircle on the left is correct, then this is showing moon phases, and the symbol on the right should be of a gibbous moon:
If the cookie-with-a-bite-taken-out in the right is correct, then this is showing an eclipse, and the symbol on the left should be of a 50% partial eclipse:
It drives me crazy every time I look at it.
I don’t know if you realize how condescending it sounds to hear you say you “don’t want to ruin whatever enjoyment she gets out of it” by telling her… what? That you arbitrarily look down on the use of this absolutely grammatical construction?
The thing that bothers me most about stuff like this is that it is effectively some kind of “gotcha” that makes people feel foolish, like their natural, completely grammatical speech has errors, or something they should feel bad about.