Sometimes I come across errors in answers that are small, but "catastrophic". For example, they wrote
is when they meant
isn't, or they mis-typed a bash command that could damage someone's system. I can't fix these types of "off by one character" errors due to the character limit.
This has happened at least a dozen times over the last few years of using SO (my current account is a new account - I was tired of all the notifications on my last one). It's a bit frustrating because I want to help improve SO, but the platform seems unnecessarily antagonistic in this case and discourages me from even bothering to fix things in the first place.