Typo fix, rename exported constants, dependencies modules and copyright update

Rename exported constants `NameSpaceDublinCoreMetadataIntiative` to `NameSpaceDublinCoreMetadataInitiative`

1 files changed, 2 insertions, 2 deletions

diff --git a/sheet.go b/sheet.go
index 26baca8..3eea6dc 100644
--- a/sheet.go
+++ b/sheet.go
@@ -1,4 +1,4 @@
-// Copyright 2016 - 2021 The excelize Authors. All rights reserved. Use of
+// Copyright 2016 - 2022 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.
 //
@@ -304,7 +304,7 @@ func (f *File) relsWriter() {
 
 // setAppXML update docProps/app.xml file of XML.
 func (f *File) setAppXML() {
-	f.saveFileList(dafaultXMLPathDocPropsApp, []byte(templateDocpropsApp))
+	f.saveFileList(defaultXMLPathDocPropsApp, []byte(templateDocpropsApp))
 }
 
 // replaceRelationshipsBytes; Some tools that read spreadsheet files have very