bugfix bold top row

cmd/main/main.go

@@ -58,6 +58,7 @@ func main() {
 	if fileExists(outputFilename) {
 		if overwriteFile {
 			// Delete existing file
+			fmt.Printf("Overwrite flag is set, removing existing file '%s'\n", outputFilename)
 			err = os.Remove(outputFilename)
 			if err != nil {
 				panic(err)
@@ -125,7 +126,7 @@ func main() {
 
 	// Set the style
 	if boldTopRow {
-		err = xlsx.SetRowStyle(worksheetName, row, row, headerStyle)
+		err = xlsx.SetRowStyle(worksheetName, 1, 1, headerStyle)
 		if err != nil {
 			fmt.Printf("Error setting header style : '%s'\n", err)
 		}