You can add comments to your inputs to add additional context for your editors. These will show up in the data editor when editing data files or front matter.
Comments are displayed for fields with the same keys as in the
_comments object. Adding this object to your site’s configuration will apply the comments to all matching inputs throughout your site. Adding a
_comments object to a page’s front matter will only apply the comments to that file.
This will appear in the data editor as: