First off, how would anybody but you know that you had edited a comment? Second, why would you care? Every single comment I post (including this one), I read

First off, how would anybody but you know that you had edited a comment? Second, why would you care? Every single comment I post (including this one), I read over before and after posting, and make edits so that it reads better. That is how people write things. It's not something you should be embarrassed about (or whatever it is that compels you to post this).