I notice that people can add some description to a Git Branch. From this article, http://bahmutov.calepin.co/git-branches-with-descriptions-really.html, there are two ways to edit.
git branch --edit-description
git config branch.<branch name>.description "describe branch"
git config branch.<branch name>.description.
The author wrote a good script which can help to show the information, just down from here: