diff --git a/htdocs/core/modules/expensereport/doc/pdf_standard.modules.php b/htdocs/core/modules/expensereport/doc/pdf_standard.modules.php
index 6d3bc5e8e65..6cdc7f4ffbc 100644
--- a/htdocs/core/modules/expensereport/doc/pdf_standard.modules.php
+++ b/htdocs/core/modules/expensereport/doc/pdf_standard.modules.php
@@ -642,7 +642,7 @@ class pdf_standard extends ModeleExpenseReport
     /**
 	 *  Show top header of page.
 	 *
-	 *  @param	PDF			$pdf     		Object PDF
+	 *  @param	TCPDF		&$pdf     		Object PDF
 	 *  @param  Object		$object     	Object to show
 	 *  @param  int	    	$showaddress    0=no, 1=yes
 	 *  @param  Translate	$outputlangs	Object lang for output
@@ -866,7 +866,7 @@ class pdf_standard extends ModeleExpenseReport
 	/**
 	 *   Show table for lines
 	 *
-	 *   @param     PDF			$pdf     		Object PDF
+	 *   @param     TCPDF		&$pdf     		Object PDF
 	 *   @param		int			$tab_top		Tab top
 	 *   @param		int			$tab_height		Tab height
 	 *   @param		int			$nexY			next y
@@ -980,7 +980,7 @@ class pdf_standard extends ModeleExpenseReport
 	/**
 	 *  Show payments table
 	 *
-	 *  @param	PDF			$pdf           Object PDF
+	 *  @param	TCPDF		&$pdf           Object PDF
 	 *  @param  Object		$object         Object invoice
 	 *  @param  int			$posy           Position y in PDF
 	 *  @param  Translate	$outputlangs    Object langs for output
@@ -1092,7 +1092,7 @@ class pdf_standard extends ModeleExpenseReport
 	/**
 	 *  Show footer of page. Need this->emetteur object
      *
-	 *  @param  PDF			$pdf     			PDF
+	 *  @param  TCPDF		&$pdf     			PDF
 	 *  @param  Object		$object				Object to show
 	 *  @param  Translate	$outputlangs		Object lang for output
 	 *  @param  int			$hidefreetext		1=Hide free text