I was originally referring to fixing old typos (like spelling in documentation) that were in the repo forever. This, from what I understand this will take effe

I was originally referring to fixing old typos (like spelling in documentation) that were in the repo forever. This, from what I understand this will take effect only if you introduced a typo recently and then you rebase so that the typo-containing commit is included in the rebase. Nevertheless, it sounds interesting.