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

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Signed-off-by: N ester.zhou <ester.zhou@huawei.com>
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en/readme/common-event-notification.md en/readme/common-event-notification.md +1 -1

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--- a/en/readme/common-event-notification.md
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 # Common Event and Notification

-## Overview
+## Introduction

 OpenHarmony provides a Common Event Service (CES) for applications to subscribe to, publish, and unsubscribe from common events.