Yes,
you are the only person in the world who has ever had a bad result with autocorrection
No, not just you. It's pretty common to pick up "bad" autocorrections.
Sometimes you may not ever know where that might come from - for example, I have never typed the word "Venus", until just now (in more than 25 years, that's the first time as far as I can recall for that word). So, even if it were a fault, somehow, I would not have ever noticed. And, I only get corrections offered that are related to the spelling of Venus, nothing else.
It's likely that you accidentally accepted a wrong spelling, perhaps unnoticed while you were typing something else.
Fix it with the tips, and move on...
Or, maybe you will never, never, type the word "Venus" again, which is not exactly a solution, particularly if you have a significant other named "Venus", who may not like the Apple logo substituted for their name.
Anyway, the fix is there, if you want to change your autocorrect.