How does the comment system and comments work?
How can I put a link in a comment using Markdown?
Meta Stack Exchange is a question and answer site for meta-discussion of the Stack Exchange family of Q&A websites. It only takes a minute to sign up.Sign up to join this community
If you click the little question mark above the top-right of the text box, it explains how to use Markdown in text boxes, including links, italics, bold, code blocks, and more. Here is the page: