diff --git a/htdocs/core/modules/supplier_invoice/doc/pdf_canelle.modules.php b/htdocs/core/modules/supplier_invoice/doc/pdf_canelle.modules.php
index 11ff7780002..974f3e186c3 100644
--- a/htdocs/core/modules/supplier_invoice/doc/pdf_canelle.modules.php
+++ b/htdocs/core/modules/supplier_invoice/doc/pdf_canelle.modules.php
@@ -617,7 +617,7 @@ class pdf_canelle extends ModelePDFSuppliersInvoices
 	/**
 	 *	Show total to pay
 	 *
-	 *	@param	PDF			$pdf            Object PDF
+	 *	@param	TCPDF		&$pdf           Object PDF
 	 *	@param  Object		$object         Object invoice
 	 *	@param  int			$deja_regle     Amount already paid (in the currency of invoice)
 	 *	@param	int			$posy			Position depart
@@ -843,7 +843,7 @@ class pdf_canelle extends ModelePDFSuppliersInvoices
 	/**
 	 *   Show table for lines
 	 *
-	 *   @param		PDF			$pdf     		Object PDF
+	 *   @param		TCPDF		&$pdf     		Object PDF
 	 *   @param		string		$tab_top		Top position of table
 	 *   @param		string		$tab_height		Height of table (rectangle)
 	 *   @param		int			$nexY			Y (not used)
@@ -949,7 +949,7 @@ class pdf_canelle extends ModelePDFSuppliersInvoices
 	/**
 	 *  Show payments table
 	 *
-	 *  @param  PDF                 $pdf            Object PDF
+	 *  @param  TCPDF               &$pdf           Object PDF
 	 *  @param  Object			    $object         Object to show
 	 *  @param  int                 $posy           Position y in PDF
 	 *  @param  Translate           $outputlangs    Object langs for output
@@ -1040,7 +1040,7 @@ class pdf_canelle extends ModelePDFSuppliersInvoices
 	/**
 	 *  Show top header of page.
 	 *
-	 *  @param  PDF                 $pdf            Object PDF
+	 *  @param  TCPDF               &$pdf           Object PDF
 	 *  @param  FactureFournisseur  $object         Object to show
 	 *  @param  int                 $showaddress    0=no, 1=yes
 	 *  @param  Translate           $outputlangs    Object lang for output
@@ -1252,7 +1252,7 @@ class pdf_canelle extends ModelePDFSuppliersInvoices
     /**
      *  Show footer of page. Need this->emetteur object
      *
-     *  @param  PDF                 $pdf                PDF
+     *  @param  TCPDF               &$pdf               PDF
      *  @param  FactureFournisseur  $object             Object to show
      *  @param  Translate           $outputlangs        Object lang for output
      *  @param  int                 $hidefreetext       1=Hide free text