diff --git a/app/Database/UpdateMassive2.php b/app/Database/UpdateMassive2.php
index 67ee61c..133bfcc 100644
--- a/app/Database/UpdateMassive2.php
+++ b/app/Database/UpdateMassive2.php
@@ -9,27 +9,14 @@ class UpdateMassive2
 
     /**
      *
-     * update test as t set
-     * column_a = c.column_a,
-     * column_c = c.column_c
-     * from (values
-     * ('123', 1, '---'),
-     * ('345', 2, '+++')
-     * ) as c(column_b, column_a, column_c)
-     * where c.column_b = t.column_b;
-     *
-     *
-     * UPDATE transactions
-     * SET updated_at = CASE id
-     * WHEN 1 THEN '2019-01-15 10:00:00'::date
-     * WHEN 2 THEN '2019-01-16 11:00:00'::date
-     * WHEN 3 THEN '2019-01-17 12:00:00'::date
-     * END
-     * WHERE id IN (1, 2, 3);
-     *
-     * update transactions set updated_at = '2019-01-15 10:00:00' where id = 1
-     * update transactions set updated_at = '2019-01-16 10:00:00' where id = 2
-     * update transactions set updated_at = '2019-01-17 10:00:00' where id = 3
+     * update transactions as t
+     * set date  = c.date,
+     *     value = c.value
+     * from (
+     *     values (1, '2023-01-05 00:00:00'::timestamp, 23.44),
+     *                 (2, '2023-01-03 00:00:00'::timestamp, 23.44)
+     *      ) as c(id, date, value)
+     * where t.id = c.id;
      *
      * @param string $table
      * @param string $primaryKeyName
@@ -40,7 +27,7 @@ class UpdateMassive2
      *  [
      *    "primary_key" => 200576
      *    "columns" => array:1 [
-     *      "transactions_banks.coupon_code" => "2001462387"
+     *      "coupon_code" => "2001462387"
      *     ]
      *  ]
      * ]
@@ -49,36 +36,13 @@ class UpdateMassive2
      */
     public function apply(string $table, string $primaryKeyName, array $config): void
     {
-
-        /**
-         * update test as t set
-         * column_a = c.column_a,
-         * column_c = c.column_c
-         * from (values
-         * ('123', 1, '---'),
-         * ('345', 2, '+++')
-         * ) as c(column_b, column_a, column_c)
-         * where c.column_b = t.column_b;
-         *
-         *
-         * update transactions as t
-         * set date  = c.date,
-         *     value = c.value
-         * from (
-         *     values (1, '2023-01-05 00:00:00'::timestamp, 23.44),
-         *                 (2, '2023-01-03 00:00:00'::timestamp, 23.44)
-         *      ) as c(id, date, value)
-         * where t.id = c.id;
-         *
-         */
-
         $valuesSqls = [];
         $columns = $config[0]['columns'];
 
         foreach ($config as $configItem) {
             $valuesSqls[] = vsprintf('(%s, %s)', [$configItem['primary_key'], implode(', ', $configItem['columns'])]);
         }
-        
+
         $valuesSql = implode(', ', $valuesSqls);
         $setSqls = [];
         foreach ($columns as $columnName => $columnValue) {