Update docs (14819)

Signed-off-by: Nester.zhou <ester.zhou@huawei.com>

en/application-dev/notification/progress-bar-notification.md

@@ -27,7 +27,7 @@ In the [NotificationTemplate](../reference/apis/js-apis-notificationManager.md#n
    ```ts
    notificationManager.isSupportTemplate('downloadTemplate').then((data) => {
      console.info(`[ANS] isSupportTemplate success`);
-     let isSupportTpl: boolean = data; // The value **true** means that the template of the **downloadTemplate** type is supported; and false means the opposite.
+     let isSupportTpl: boolean = data; // The value true means that the template of the downloadTemplate type is supported, and false means the opposite.
      // ...
    }).catch((err) => {
      console.error(`[ANS] isSupportTemplate failed, code is ${err.code}, message is ${err.message}`);