diff --git a/htdocs/ecm/class/ecmdirectory.class.php b/htdocs/ecm/class/ecmdirectory.class.php
index f477e27b37b..9038b74cb2a 100644
--- a/htdocs/ecm/class/ecmdirectory.class.php
+++ b/htdocs/ecm/class/ecmdirectory.class.php
@@ -52,6 +52,9 @@ class EcmDirectory // extends CommonObject
      */
     public $label;
 
+    /**
+     * @var int ID
+     */
 	public $fk_parent;
 
 	/**
@@ -62,7 +65,15 @@ class EcmDirectory // extends CommonObject
 	public $cachenbofdoc=-1;	// By default cache initialized with value 'not calculated'
 	public $date_c;
 	public $date_m;
+
+	/**
+     * @var int ID
+     */
 	public $fk_user_m;
+
+	/**
+     * @var int ID
+     */
 	public $fk_user_c;
 
 	/**
diff --git a/htdocs/ecm/class/ecmfiles.class.php b/htdocs/ecm/class/ecmfiles.class.php
index 50dbcb60dc6..42af7f92635 100644
--- a/htdocs/ecm/class/ecmfiles.class.php
+++ b/htdocs/ecm/class/ecmfiles.class.php
@@ -85,8 +85,17 @@ class EcmFiles extends CommonObject
 	public $extraparams;
 	public $date_c = '';
 	public $date_m = '';
+
+	/**
+     * @var int ID
+     */
 	public $fk_user_c;
+
+	/**
+     * @var int ID
+     */
 	public $fk_user_m;
+
 	public $acl;
 	public $src_object_type;
 	public $src_object_id;
@@ -879,8 +888,17 @@ class EcmfilesLine
 	public $extraparams;
 	public $date_c = '';
 	public $date_m = '';
+
+	/**
+     * @var int ID
+     */
 	public $fk_user_c;
+
+	/**
+     * @var int ID
+     */
 	public $fk_user_m;
+
 	public $acl;
 	public $src_object_type;
 	public $src_object_id;