You can add comments to the search list while creating or editing the search list. Optionally, you can also add a comment from the Quick Actions menu. Select a search list, and from the Quick Actions menu, click Add Comment.
The comments are added when updating the search list help to track the changes you made to the search list.
To view the comments added to an search list, click View from the Quick Actions menu. On the View Search List Details page, go to the Action Log tab, and scroll down to the Comments section.