lint issue fixed and new formula function: ATAN, AVERAGE, AVERAGEA, CONCAT, CONCATENATE, COUNT, COUNTBLANK, MAX

1 files changed, 1 insertions, 1 deletions

diff --git a/file.go b/file.go
index 9adc859..582099e 100644
--- a/file.go
+++ b/file.go
@@ -1,4 +1,4 @@
-// Copyright 2016 - 2020 The excelize Authors. All rights reserved. Use of
+// Copyright 2016 - 2021 The excelize Authors. All rights reserved. Use of
 // this source code is governed by a BSD-style license that can be found in
 // the LICENSE file.
 //