diff --git a/htdocs/accountancy/bookkeeping/thirdparty_lettrage.php b/htdocs/accountancy/bookkeeping/thirdparty_lettrage.php
index be33510783966..880878822333a 100644
--- a/htdocs/accountancy/bookkeeping/thirdparty_lettrage.php
+++ b/htdocs/accountancy/bookkeeping/thirdparty_lettrage.php
@@ -4,6 +4,7 @@
  * Copyright (C) 2013      Olivier Geffroy      <jeff@jeffinfo.com>
  * Copyright (C) 2013      Florian Henry	    <florian.henry@open-concept.pro>
  * Copyright (C) 2013      Alexandre Spangaro   <alexandre.spangaro@gmail.com>
+ * Copyright (C) 2018       Frédéric France         <frederic.france@netlogic.fr>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -88,7 +89,7 @@
 }
 
 $form = new Form($db);
-$BookKeeping = new lettering($db);
+$BookKeeping = new Lettering($db);
 $formaccounting = new FormAccounting($db);
 
 /*
diff --git a/htdocs/accountancy/bookkeeping/thirdparty_lettrage_supplier.php b/htdocs/accountancy/bookkeeping/thirdparty_lettrage_supplier.php
index 905361b4c8e83..197c71b312373 100644
--- a/htdocs/accountancy/bookkeeping/thirdparty_lettrage_supplier.php
+++ b/htdocs/accountancy/bookkeeping/thirdparty_lettrage_supplier.php
@@ -4,6 +4,7 @@
  * Copyright (C) 2013      Olivier Geffroy      <jeff@jeffinfo.com>
  * Copyright (C) 2013      Florian Henry	    <florian.henry@open-concept.pro>
  * Copyright (C) 2013      Alexandre Spangaro   <alexandre.spangaro@gmail.com>
+ * Copyright (C) 2018       Frédéric France         <frederic.france@netlogic.fr>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -21,7 +22,7 @@
  */
 
 /**
- * \file accountancy/bookkeeping/thirdparty_lettrage_supplier.php
+ * \file    htdocs/accountancy/bookkeeping/thirdparty_lettrage_supplier.php
  * \ingroup Advanced accountancy
  * \brief Tab to setup lettering
  */
@@ -92,7 +93,7 @@
 }
 
 $form = new Form($db);
-$BookKeeping = new lettering($db);
+$BookKeeping = new Lettering($db);
 $formaccounting = new FormAccounting($db);
 
 /*
diff --git a/htdocs/accountancy/class/lettering.class.php b/htdocs/accountancy/class/lettering.class.php
index 0ddbaeb502637..78b555fcce514 100644
--- a/htdocs/accountancy/class/lettering.class.php
+++ b/htdocs/accountancy/class/lettering.class.php
@@ -1,7 +1,8 @@
 <?php
-/* Copyright (C) 2004-2005 Rodolphe Quiedeville <rodolphe@quiedeville.org>
- * Copyright (C) 2013      Olivier Geffroy      <jeff@jeffinfo.com>
- * Copyright (C) 2013      Alexandre Spangaro   <alexandre.spangaro@gmail.com>
+/* Copyright (C) 2004-2005  Rodolphe Quiedeville    <rodolphe@quiedeville.org>
+ * Copyright (C) 2013       Olivier Geffroy         <jeff@jeffinfo.com>
+ * Copyright (C) 2013       Alexandre Spangaro      <alexandre.spangaro@gmail.com>
+ * Copyright (C) 2018       Frédéric France         <frederic.france@netlogic.fr>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -18,7 +19,7 @@
  */
 
 /**
- * \file accountancy/class/bookkeeping.class.php
+ * \file      htdocs/accountancy/class/lettering.class.php
  * \ingroup Advanced accountancy
  * \brief 	File of class for lettering
  */
@@ -27,9 +28,9 @@
 include_once DOL_DOCUMENT_ROOT . "/core/lib/date.lib.php";
 
 /**
- * Class lettering
+ * Class Lettering
  */
-class lettering extends BookKeeping
+class Lettering extends BookKeeping
 {
 	/**
 	 * lettrageTiers
@@ -47,6 +48,7 @@ public function lettrageTiers($socid)
 		$object->id = $socid;
 		$object->fetch($socid);
 
+
 		if ($object->code_compta == '411CUSTCODE') {
 			$object->code_compta = '';
 		}