diff --git a/public/userarea/class/MagoSalesStats.php b/public/userarea/class/MagoSalesStats.php
index 0301f063..5c31c637 100644
--- a/public/userarea/class/MagoSalesStats.php
+++ b/public/userarea/class/MagoSalesStats.php
@@ -17,8 +17,8 @@ class MagoSalesStats
      *
      * Per invertirle basta scambiare i due valori qui sotto.
      */
-    const ZIBO_DATE_COL   = 'expected_delivery_date'; // Mago: ConfirmedDeliveryDate
-    const CLIENT_DATE_COL = 'confirmed_delivery_date';  // Mago: ExpectedDeliveryDate
+    const ZIBO_DATE_COL   = 'expected_delivery_date';    // Mago: ExpectedDeliveryDate  ("Data ZIBO")
+    const CLIENT_DATE_COL = 'confirmed_delivery_date';   // Mago: ConfirmedDeliveryDate ("DATA CLIENTE")
 
     /** Data ZIBO "valida" di una riga/testata: in Mago, se non compilata, resta uguale alla data ordine. */
     public static function ziboDate($a)