WYSYWIG does indeed mean "What You See Is What You Get."

A WYSIWYG editor is an editor that shows the text with all formatting, exactly how it will look once it's "printed". You know, like Word or Google Docs. But unlike when you edit markdown or latex in a plain text editor. For example, writing comments on this site isn't WYSIWYG.

WYSYWIG is a typo.

What You See, You Won't Intuitively Get?

What you submit yields what I get