diff --git a/htdocs/core/modules/supplier_order/doc/pdf_cornas.modules.php b/htdocs/core/modules/supplier_order/doc/pdf_cornas.modules.php
index 1861620567d..3193028139d 100644
--- a/htdocs/core/modules/supplier_order/doc/pdf_cornas.modules.php
+++ b/htdocs/core/modules/supplier_order/doc/pdf_cornas.modules.php
@@ -1123,8 +1123,8 @@ class pdf_cornas extends ModelePDFSuppliersOrders
 	 *   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		Hide top bar of array