Starting with https://dvc.org/doc/command-reference/add, per https://github.com/iterative/dvc/pull/2546#discussion_r337122908 (look at resolution there for final wording). And look for any other instances.
Starting with https://dvc.org/doc/command-reference/add, per treeverse/dvc#2546 (comment) (look at resolution there for final wording).
And look for any other instances.