Format code, update documentation and remove exported variable `XMLHeaderByte`

1 files changed, 2 insertions, 2 deletions

diff --git a/errors.go b/errors.go
index 1047704..c9d18cb 100644
--- a/errors.go
+++ b/errors.go
@@ -138,9 +138,9 @@ var (
 	// ErrDefinedNameScope defined the error message on not found defined name
 	// in the given scope.
 	ErrDefinedNameScope = errors.New("no defined name on the scope")
-	// ErrDefinedNameduplicate defined the error message on the same name
+	// ErrDefinedNameDuplicate defined the error message on the same name
 	// already exists on the scope.
-	ErrDefinedNameduplicate = errors.New("the same name already exists on the scope")
+	ErrDefinedNameDuplicate = errors.New("the same name already exists on the scope")
 	// ErrCustomNumFmt defined the error message on receive the empty custom number format.
 	ErrCustomNumFmt = errors.New("custom number format can not be empty")
 	// ErrFontLength defined the error message on the length of the font