adjust `ErrColumnNumber`, rename `TotalColumns` to `MaxColumns` and add new constant `MinColumns` (#1272)

Signed-off-by: Benjamin Lösch <loesch.benny92@gmx.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/sheet.go b/sheet.go
index e88f953..2a722c9 100644
--- a/sheet.go
+++ b/sheet.go
@@ -256,7 +256,7 @@ func replaceRelationshipsBytes(content []byte) []byte {
 
 // SetActiveSheet provides a function to set the default active sheet of the
 // workbook by a given index. Note that the active index is different from the
-// ID returned by function GetSheetMap(). It should be greater or equal to 0
+// ID returned by function GetSheetMap(). It should be greater than or equal to 0
 // and less than the total worksheet numbers.
 func (f *File) SetActiveSheet(index int) {
 	if index < 0 {