Document the .are method (#4069)
Document the .are method (#4069)

* Document the .are method

Co-authored-by: Coke <37d41699bdee4fcb969ca499eb0f8b82c60d59cc@coleda.com>
MasterDuke17/doc,MasterDuke17/doc,tbrowder/doc,tbrowder/doc,tbrowder/doc,MasterDuke17/doc,tbrowder/doc,MasterDuke17/doc