What should I do when there is a minor but crucial typo in a post (perhaps of literally one character) that is otherwise perfect?
Occasionally I come across a question or answer that is perfect other than literally only one or two characters in the body wrong. I can’t recall a precise one as of now, but as a hypothetical example, suppose an answer to a question contained the text
...since the discriminant of the quadratic $ax^2+bx+c$ is $b^3-4ac$...
This is of course a crucial mistake, probably just a typo, that’d could confuse someone who is learning this. I’d want to suggest an edit where that $3$ should be changed to a $2$.
The issue is, that edit is only one character, and there’s a minimum length for edits before it’ll let you suggest one (I believe its 6 or 10 or 12 characters or something like that). Usually I can mess about with something else - perhaps there is some grammatical error, or I can add some clarity, or remove something unnecessary, or whatever. But what if the post is otherwise perfect? What to do?