diff --git a/airtime_mvc/application/models/Preference.php b/airtime_mvc/application/models/Preference.php
index 0781996c5..9a7f5633d 100644
--- a/airtime_mvc/application/models/Preference.php
+++ b/airtime_mvc/application/models/Preference.php
@@ -1447,6 +1447,7 @@ class Application_Model_Preference
 
     public static function setProvisioningStatus($status)
     {
+        //See constants.php for the list of valid values. eg. PROVISIONING_STATUS_ACTIVE
         self::setValue("provisioning_status", $status);
     }