You can add, modify, and delete the annotations for an issue.
Click Files in the side panel. (If Files is not shown, see Customize the Side Panel for details on how to add it.)
Open a file.
In the Issues panel, select the checkbox beside an issue.
In the toolbar, click Modify.
Add, modify, and delete the issue annotations as needed. For details, see Create an Issue.
In the toolbar, click Save.