diff --git a/htdocs/core/modules/stock/doc/pdf_standard.modules.php b/htdocs/core/modules/stock/doc/pdf_standard.modules.php
index faada7164ef..0fc6c5539c8 100644
--- a/htdocs/core/modules/stock/doc/pdf_standard.modules.php
+++ b/htdocs/core/modules/stock/doc/pdf_standard.modules.php
@@ -576,8 +576,8 @@ class pdf_standard extends ModelePDFStock
 	 *   Show table for lines
 	 *
 	 *   @param     TCPDF		$pdf     		Object PDF
-	 *   @param     string		$tab_top		Top position of table
-	 *   @param     string		$tab_height		Height of table (rectangle)
+	 *   @param     float|int	$tab_top		Top position of table
+	 *   @param     float|int	$tab_height		Height of table (rectangle)
 	 *   @param     int			$nexY			Y (not used)
 	 *   @param     Translate	$outputlangs	Langs object
 	 *   @param     int			$hidetop		1=Hide top bar of array and title, 0=Hide nothing, -1=Hide only title