diff --git a/htdocs/core/class/notify.class.php b/htdocs/core/class/notify.class.php
index f1b2d1736d9..eee25383931 100644
--- a/htdocs/core/class/notify.class.php
+++ b/htdocs/core/class/notify.class.php
@@ -31,17 +31,36 @@ require_once DOL_DOCUMENT_ROOT .'/core/class/CMailFile.class.php';
  */
 class Notify
 {
-	var $id;
-	var $db;
-	var $error;
-	var $errors=array();
+	/**
+	 * @var int ID
+	 */
+	public $id;
+
+	/**
+     * @var DoliDB Database handler.
+     */
+    public $db;
+
+	/**
+	 * @var string Error code (or message)
+	 */
+	public $error='';
+
+	/**
+	 * @var string[] Error codes (or messages)
+	 */
+	public $errors = array();
 
 	var $author;
 	var $ref;
 	var $date;
 	var $duree;
 	var $note;
-	var $fk_project;
+
+	/**
+     * @var int Project ID
+     */
+    public $fk_project;
 
 	// Les codes actions sont definis dans la table llx_notify_def