A voting comment increases the vote count for the chosen answer by one.
Upvoting a comment with a selected answer will also increase the vote count towards that answer by one.
So if you see a comment that you already agree with, you can upvote it instead of posting a new comment.
johnmcclane78
10 months, 1 week agofaisal12
11 months, 4 weeks agoAlximik15
4 years, 3 months agodjreymix
1 year, 11 months ago