[update] localization updated

Author: tbshag2

docs/guides/localization.md

@@ -187,7 +187,7 @@ widget.setLocale(ko);
 
 ## Date formatting
 
-Pivot accepts a date that is parsed into the Date object. By default, the `dateFormat` of the current locale is applied. To redefine the format for all date fields in Pivot, change the value of the `dateFormat` parameter in the `formats` object of the [`locale`](/api/config/locale-property). The default format is "%d.%m.%Y".
+Pivot accepts a date as a Date object (make sure to parse a date to a Date object). By default, the `dateFormat` of the current locale is applied. To redefine the format for all date fields in Pivot, change the value of the `dateFormat` parameter in the `formats` object of the [`locale`](/api/config/locale-property). The default format is "%d.%m.%Y".
 
 Example: