diff --git a/framework/db/conditions/BetweenColumnsCondition.php b/framework/db/conditions/BetweenColumnsCondition.php
index e5fb731918..647c0af909 100644
--- a/framework/db/conditions/BetweenColumnsCondition.php
+++ b/framework/db/conditions/BetweenColumnsCondition.php
@@ -32,7 +32,7 @@ use yii\db\Query;
  * );
  *
  * // Will be built to:
- * // NOW() BETWEEN (SELECT time FROM log ORDER BY id ASC LIMIT 1) AND update_time
+ * // NOW() NOT BETWEEN (SELECT time FROM log ORDER BY id ASC LIMIT 1) AND update_time
  * ```
  *
  * @author Dmytro Naumenko <d.naumenko.a@gmail.com>