After you open a pull request in a repository, collaborators or team members can comment on the lines in its diff. Adding line comments is a great way to discuss questions about implementation, or provide feedback to the author.
Tip: Line comments support the same formatting as regular comments on GitHub Enterprise, such as @mentions, emoji, and references.
In the repository's right sidebar, click Pull requests.
In the "Pull Requests" list, click the pull request where you'd like to leave line comments.
- On the pull request, click the Files Changed tab.
- Hover over the line of code where you'd like to add a comment, and click the blue comment icon.
- In the comment window, type your comment. When you're done, click Comment on this line.
Anyone watching that pull request or repository will receive a notification of your comment.
