diff --git a/htdocs/projet/class/project.class.php b/htdocs/projet/class/project.class.php
index a873b53dbc0..0848f87ed19 100644
--- a/htdocs/projet/class/project.class.php
+++ b/htdocs/projet/class/project.class.php
@@ -60,6 +60,9 @@ class Project extends CommonObject
 	 */
     public $ismultientitymanaged = 1;
 
+    /**
+     * @var string String with name of icon for myobject. Must be the part after the 'object_' into object_myobject.png
+     */
     public $picto = 'projectpub';
 
     /**
diff --git a/htdocs/projet/class/task.class.php b/htdocs/projet/class/task.class.php
index 1bd044bc985..b4d556cda78 100644
--- a/htdocs/projet/class/task.class.php
+++ b/htdocs/projet/class/task.class.php
@@ -47,6 +47,9 @@ class Task extends CommonObject
 	 */
 	public $fk_element='fk_task';
 
+	/**
+	 * @var string String with name of icon for myobject. Must be the part after the 'object_' into object_myobject.png
+	 */
 	public $picto = 'task';
 
 	/**