diff --git a/src/QnaParser.php b/src/QnaParser.php
index b390abd..2f65003 100644
--- a/src/QnaParser.php
+++ b/src/QnaParser.php
@@ -143,7 +143,7 @@ private function createSheet(array $sheetData, Spreadsheet &$workBook)
      * Save the workbook.
      *
      * @param string $outPutFile
-     * @param Xlsx   $workBook
+     * @param Xlsx   $writer
      */
     private function saveWorkbook(string $outPutFile, Xlsx $writer)
     {