diff --git a/htdocs/comm/action/class/ical.class.php b/htdocs/comm/action/class/ical.class.php
index e4b6907332b..d18524fcd72 100644
--- a/htdocs/comm/action/class/ical.class.php
+++ b/htdocs/comm/action/class/ical.class.php
@@ -20,10 +20,10 @@
 
 /**
  *       \file       htdocs/comm/action/class/ical.class.php
- *       \ingroup    commercial
+ *       \ingroup    agenda
  *       \brief      File of class to parse ical calendars
  */
-class ical
+class ICal
 {
     var $file_text; // Text in file
     var $cal; // Array to save iCalendar parse data
diff --git a/htdocs/comm/action/index.php b/htdocs/comm/action/index.php
index 1fe1b35d15d..3bcac38aaba 100644
--- a/htdocs/comm/action/index.php
+++ b/htdocs/comm/action/index.php
@@ -526,7 +526,7 @@ if (count($listofextcals))
         $namecal = $extcal['name'];
         $colorcal = $extcal['color'];
         //print "url=".$url." namecal=".$namecal." colorcal=".$colorcal;
-        $ical=new ical();
+        $ical=new ICal();
         $ical->parse($url);
         // After this $ical->cal['VEVENT'] contains array of events, $ical->cal['DAYLIGHT'] contains daylight info, $ical->cal['STANDARD'] contains non daylight info, ...
         //var_dump($ical->cal); exit;
diff --git a/htdocs/contrat/class/contrat.class.php b/htdocs/contrat/class/contrat.class.php
index 9aaa124fa45..d963fb94ebc 100644
--- a/htdocs/contrat/class/contrat.class.php
+++ b/htdocs/contrat/class/contrat.class.php
@@ -23,14 +23,14 @@
 /**
  *	\file       htdocs/contrat/class/contrat.class.php
  *	\ingroup    contrat
- *	\brief      Fichier de la classe des contrats
+ *	\brief      File of class to manage contracts
  */
 
 require_once(DOL_DOCUMENT_ROOT."/core/class/commonobject.class.php");
 
+
 /**
- *	\class      Contrat
- *	\brief      Classe permettant la gestion des contrats
+ *	Class to manage contracts
  */
 class Contrat extends CommonObject
 {
diff --git a/htdocs/core/class/commonobjectline.class.php b/htdocs/core/class/commonobjectline.class.php
index 99741ad236d..08f39d9f9b8 100644
--- a/htdocs/core/class/commonobjectline.class.php
+++ b/htdocs/core/class/commonobjectline.class.php
@@ -16,17 +16,16 @@
  */
 
 /**
- *       \file       htdocs/core/class/commonobjectline.class.php
- *       \ingroup    core
- *       \brief      File of the superclass of classes of lines of business objects (invoice, contract, PROPAL, commands, etc. ...)
+ *	\file       htdocs/core/class/commonobjectline.class.php
+ *  \ingroup    core
+ *  \brief      File of the superclass of classes of lines of business objects (invoice, contract, PROPAL, commands, etc. ...)
  */
 
 
 /**
- *		\class 		CommonObjectLine
- *       \brief 		Superclass for class inheritance lines of business objects
+ *  Parent class for class inheritance lines of business objects
+ *  This class is useless for the moment so no inherit are done on it
  */
-
 abstract class CommonObjectLine
 {