See WP:TPOC. Editing—or even removing—others' comments is sometimes allowed. It includes: "Fixing layout errors: This could include moving a new comment from the top of a page to the bottom, adding a header to a comment not having one, repairing accidental damage by one party to another's comments, correcting unclosed markup tags that mess up the entire page's formatting, accurately replacing HTML table code with a wikitable, etc." 123.224.114.61