diff --git a/htdocs/website/class/website.class.php b/htdocs/website/class/website.class.php
index b8c412c40fb..a0b4d59d4e0 100644
--- a/htdocs/website/class/website.class.php
+++ b/htdocs/website/class/website.class.php
@@ -76,9 +76,13 @@ class Website extends CommonObject
 	public $status;
 
 	/**
-	 * @var mixed
+	 * @var integer|string date_creation
 	 */
 	public $date_creation;
+	
+	/**
+	 * @var integer|string date_modification
+	 */
 	public $date_modification;
 
 	/**
diff --git a/htdocs/website/class/websitepage.class.php b/htdocs/website/class/websitepage.class.php
index bd2b18479ca..b41a2dfd19e 100644
--- a/htdocs/website/class/websitepage.class.php
+++ b/htdocs/website/class/websitepage.class.php
@@ -83,8 +83,15 @@ class WebsitePage extends CommonObject
 	 * @var int Status
 	 */
 	public $status;
-
+    
+	/**
+	 * @var integer|string date_creation
+	 */
 	public $date_creation;
+	
+	/**
+	 * @var integer|string date_modification
+	 */
 	public $date_modification;