diff --git a/htdocs/core/modules/bank/doc/pdf_ban.modules.php b/htdocs/core/modules/bank/doc/pdf_ban.modules.php
index 3aa46add2ac..51dea857f61 100644
--- a/htdocs/core/modules/bank/doc/pdf_ban.modules.php
+++ b/htdocs/core/modules/bank/doc/pdf_ban.modules.php
@@ -292,7 +292,7 @@ class pdf_ban extends ModeleBankAccountDoc
 	/**
 	 *  Show top header of page.
 	 *
-	 *  @param	PDF			$pdf     		Object PDF
+	 *  @param	TCPDF		$pdf     		Object PDF
 	 *  @param  Project		$object     	Object to show
 	 *  @param  int	    	$showaddress    0=no, 1=yes
 	 *  @param  Translate	$outputlangs	Object lang for output
@@ -377,7 +377,7 @@ class pdf_ban extends ModeleBankAccountDoc
 	/**
 	 *   	Show footer of page. Need this->emetteur object
      *
-	 *   	@param	PDF			$pdf     			PDF
+	 *   	@param	TCPDF		$pdf     			PDF
 	 * 		@param	Project		$object				Object to show
 	 *      @param	Translate	$outputlangs		Object lang for output
 	 *      @param	int			$hidefreetext		1=Hide free text
diff --git a/htdocs/core/modules/cheque/doc/pdf_blochet.class.php b/htdocs/core/modules/cheque/doc/pdf_blochet.class.php
index ec6f52dfec7..264c32e4234 100644
--- a/htdocs/core/modules/cheque/doc/pdf_blochet.class.php
+++ b/htdocs/core/modules/cheque/doc/pdf_blochet.class.php
@@ -213,7 +213,7 @@ class BordereauChequeBlochet extends ModeleChequeReceipts
 	/**
 	 *	Generate Header
 	 *
-	 *	@param  PDF			$pdf        	Pdf object
+	 *	@param  TCPDF		$pdf        	Pdf object
 	 *	@param  int			$page        	Current page number
 	 *	@param  int			$pages       	Total number of pages
 	 *	@param	Translate	$outputlangs	Object language for output
@@ -321,7 +321,7 @@ class BordereauChequeBlochet extends ModeleChequeReceipts
 	/**
 	 *	Output array
 	 *
-	 *	@param	PDF			$pdf			PDF object
+	 *	@param	TCPDF		$pdf			PDF object
 	 *	@param	int			$pagenb			Page nb
 	 *	@param	int			$pages			Pages
 	 *	@param	Translate	$outputlangs	Object lang
@@ -390,7 +390,7 @@ class BordereauChequeBlochet extends ModeleChequeReceipts
 	/**
 	 *  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
diff --git a/htdocs/core/modules/expedition/doc/pdf_merou.modules.php b/htdocs/core/modules/expedition/doc/pdf_merou.modules.php
index 5fbec0b2c68..bf54298d264 100644
--- a/htdocs/core/modules/expedition/doc/pdf_merou.modules.php
+++ b/htdocs/core/modules/expedition/doc/pdf_merou.modules.php
@@ -438,7 +438,7 @@ class pdf_merou extends ModelePdfExpedition
 	/**
 	 *   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
@@ -480,7 +480,7 @@ class pdf_merou extends ModelePdfExpedition
 	/**
 	 *   	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
@@ -509,7 +509,7 @@ class pdf_merou extends ModelePdfExpedition
 	/**
 	 *  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
diff --git a/htdocs/core/modules/expedition/doc/pdf_rouget.modules.php b/htdocs/core/modules/expedition/doc/pdf_rouget.modules.php
index dc29b6411f5..391b8d0e3bf 100644
--- a/htdocs/core/modules/expedition/doc/pdf_rouget.modules.php
+++ b/htdocs/core/modules/expedition/doc/pdf_rouget.modules.php
@@ -662,7 +662,7 @@ class pdf_rouget extends ModelePdfExpedition
 	/**
 	 *	Show total to pay
 	 *
-	 *	@param	PDF			$pdf           Object PDF
+	 *	@param	TCPDF		$pdf            Object PDF
 	 *	@param  Facture		$object         Object invoice
 	 *	@param  int			$deja_regle     Montant deja regle
 	 *	@param	int			$posy			Position depart
@@ -769,7 +769,7 @@ class pdf_rouget extends ModelePdfExpedition
 	/**
 	 *   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
@@ -857,7 +857,7 @@ class pdf_rouget extends ModelePdfExpedition
 	/**
 	 *  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
@@ -1100,7 +1100,7 @@ class pdf_rouget extends ModelePdfExpedition
 	/**
 	 *  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
diff --git a/htdocs/core/modules/facture/doc/pdf_crabe.modules.php b/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
index cd2f711d23a..96cdf62a53b 100644
--- a/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
+++ b/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
@@ -780,7 +780,7 @@ class pdf_crabe extends ModelePDFFactures
 	/**
 	 *  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
@@ -965,7 +965,7 @@ class pdf_crabe extends ModelePDFFactures
 	/**
 	 *   Show miscellaneous information (payment mode, payment term, ...)
 	 *
-	 *   @param		PDF			$pdf     		Object PDF
+	 *   @param		TCPDF		$pdf     		Object PDF
 	 *   @param		Object		$object			Object to show
 	 *   @param		int			$posy			Y
 	 *   @param		Translate	$outputlangs	Langs object
@@ -1139,7 +1139,7 @@ class pdf_crabe extends ModelePDFFactures
 	/**
 	 *	Show total to pay
 	 *
-	 *	@param	PDF			$pdf            Object PDF
+	 *	@param	TCPDF		$pdf            Object PDF
 	 *	@param  Facture		$object         Object invoice
 	 *	@param  int			$deja_regle     Amount already paid (in the currency of invoice)
 	 *	@param	int			$posy			Position depart
@@ -1464,7 +1464,7 @@ class pdf_crabe extends ModelePDFFactures
 	/**
 	 *   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)
@@ -1586,7 +1586,7 @@ class pdf_crabe extends ModelePDFFactures
 	/**
 	 *  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
@@ -1889,7 +1889,7 @@ class pdf_crabe extends ModelePDFFactures
 	/**
 	 *   	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
diff --git a/htdocs/fourn/class/api_supplier_invoices.class.php b/htdocs/fourn/class/api_supplier_invoices.class.php
index f32b5a2bab4..501f0c48977 100644
--- a/htdocs/fourn/class/api_supplier_invoices.class.php
+++ b/htdocs/fourn/class/api_supplier_invoices.class.php
@@ -293,9 +293,9 @@ class SupplierInvoices extends DolibarrApi
     }
 
     /**
-     * Validate an order
+     * Validate an invoice
      *
-     * @param   int $id             Order ID
+     * @param   int $id             Invoice ID
      * @param   int $idwarehouse    Warehouse ID
      * @param   int $notrigger      1=Does not execute triggers, 0= execute triggers
      *
@@ -325,7 +325,7 @@ class SupplierInvoices extends DolibarrApi
 
         $result = $this->invoice->validate(DolibarrApiAccess::$user, '', $idwarehouse, $notrigger);
         if ($result == 0) {
-            throw new RestException(304, 'Error nothing done. May be object is already validated');
+            throw new RestException(304, 'Error nothing done. The invoice is already validated');
         }
         if ($result < 0) {
             throw new RestException(500, 'Error when validating Invoice: '.$this->invoice->error);
diff --git a/htdocs/fourn/class/api_supplier_orders.class.php b/htdocs/fourn/class/api_supplier_orders.class.php
index bee6346386b..b180016bdd9 100644
--- a/htdocs/fourn/class/api_supplier_orders.class.php
+++ b/htdocs/fourn/class/api_supplier_orders.class.php
@@ -187,6 +187,8 @@ class SupplierOrders extends DolibarrApi
 	/**
 	 * Create supplier order object
 	 *
+     * Example: {"ref": "auto", "ref_supplier": "1234", "socid": "1", "multicurrency_code": "SEK", "multicurrency_tx": 1, "tva_tx": 25, "note": "Imported via the REST API"}
+	 *
 	 * @param array $request_data   Request datas
 	 * @return int  ID of supplier order
 	 */