If I was going to erase myself by changing history I'd dream a lot bigger. Constantine I is the oldest definitely-real name that put big things in motion. Would Rome have adopted Christianity anyway? Maybe.
Sinking old Chris Colombus' famous voyage would save an awful lot of lives too, and at the very least postpone the various genocides white people committed in the Americas. I think it would be important to let him get going so that everyone used hia failure to reinforce their reservations about sailing West.
The obvious examples are people typing in Scots or AAVE but that's more just phonetic transcription of existing language.
https://youtu.be/SDPasRas5u0
This video is ten years old so the examples are outdated but the idea is sound.