CHANGELOG typo fix

framework/CHANGELOG.md

@@ -93,7 +93,7 @@ Yii Framework 2 Change Log
 - Chg #1821: Changed default values for yii\db\Connection username and password to null (cebe)
 - Chg #1844: `Response::sendFile()` and other file sending methods will not send the response (qiangxue)
 - Chg #1852: DbConnection::tablePrefix default value now 'tbl_' (creocoder)
-- Cng #2057: AutoTimestamp attributes defaults changed from `create_time` and `update_time` to `created_at` and `updated_at` (creocoder)
+- Chg #2057: AutoTimestamp attributes defaults changed from `create_time` and `update_time` to `created_at` and `updated_at` (creocoder)
 - Chg: Renamed `yii\jui\Widget::clientEventsMap` to `clientEventMap` (qiangxue)
 - Chg: Renamed `ActiveRecord::getPopulatedRelations()` to `getRelatedRecords()` (qiangxue)
 - Chg: Renamed `attributeName` and `className` to `targetAttribute` and `targetClass` for `UniqueValidator` and `ExistValidator` (qiangxue)