What to do when my crush keeps misspelling my name despite me telling him my name so many times?

I don't know if my crush is misspelling my name intentionally or not. It's just annoying the fact that I told him my correct name so many times and that my name is spelled correctly above the private chat. It's like he isn't doing any effort to know how to spell my name correctly. I've even asked him to why he is misspelling my name and he didn't say the reason why.
What to do when my crush keeps misspelling my name despite me telling him my name so many times?
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