diff --git a/packages/firestore/src/lite-api/reference.ts b/packages/firestore/src/lite-api/reference.ts
index f38dad9a078..e6c5fd7b056 100644
--- a/packages/firestore/src/lite-api/reference.ts
+++ b/packages/firestore/src/lite-api/reference.ts
@@ -651,7 +651,7 @@ export function doc<AppModelType, DbModelType extends DocumentData>(
     ) {
       throw new FirestoreError(
         Code.INVALID_ARGUMENT,
-        'Expected first argument to collection() to be a CollectionReference, ' +
+        'Expected first argument to doc() to be a CollectionReference, ' +
           'a DocumentReference or FirebaseFirestore'
       );
     }