diff --git a/application/cmdbabstract.class.inc.php b/application/cmdbabstract.class.inc.php
index c230a1ae6..3643504d6 100644
--- a/application/cmdbabstract.class.inc.php
+++ b/application/cmdbabstract.class.inc.php
@@ -1558,7 +1558,8 @@ HTML
 	 *
 	 * @throws \Exception
 	 *  only used in old and deprecated export.php
-	 * @deprecated since 2.7.7 3.0.1
+	 *
+	 * @internal Only to be used by `/webservices/export.php` : this is a legacy method that produces wrong HTML (no TR on table body rows)
 	 */
 	public static function DisplaySetAsHTMLSpreadsheet(WebPage $oPage, CMDBObjectSet $oSet, $aParams = array())
 	{
@@ -1579,8 +1580,8 @@ HTML
 	 * @throws \MySQLException
 	 * @throws \MySQLHasGoneAwayException
 	 * @throws \Exception
-	 *  only used in old and deprecated export.php
-	 * @deprecated since 2.7.7 3.0.1
+	 * 
+	 * @internal Only to be used by `/webservices/export.php` : this is a legacy method that produces wrong HTML (no TR on table body rows)
 	 */
 	public static function GetSetAsHTMLSpreadsheet(DBObjectSet $oSet, $aParams = array())
 	{
diff --git a/webservices/export.php b/webservices/export.php
index 9179912eb..a3f6ed2ad 100644
--- a/webservices/export.php
+++ b/webservices/export.php
@@ -17,6 +17,15 @@
  * You should have received a copy of the GNU Affero General Public License
  */
 
+
+/**
+ * ⚠ Warning, this page is only kept for legacy usages : **it is not maintained anymore**
+ *
+ * Instead, you should use `export-v2.php`
+ *
+ * @link https://www.itophub.io/wiki/page?id=latest:advancedtopics:exportdata_v1 script documentation
+ */
+
 if (!defined('__DIR__')) define('__DIR__', dirname(__FILE__));
 require_once(__DIR__.'/../approot.inc.php');
 require_once(APPROOT.'/application/application.inc.php');