docs(firestore): fix incorrect closure syntax  (#4748)
docs(firestore): fix incorrect closure syntax  (#4748)


firebase/flutterfire,firebase/flutterfire,firebase/flutterfire,firebase/flutterfire,firebase/flutterfire,firebase/flutterfire,firebase/flutterfire,firebase/flutterfire,firebase/flutterfire,firebase/flutterfire