From cb78310512c521c146465b28fe8e070cd5099b42 Mon Sep 17 00:00:00 2001
From: king_he <6384784@qq.com>
Date: Mon, 13 Jun 2022 08:52:52 +0000
Subject: [PATCH] update en/application-dev/ability/stage-serviceextension.md.
 Signed-off-by: king_he <6384784@qq.com>

---
 en/application-dev/ability/stage-serviceextension.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/en/application-dev/ability/stage-serviceextension.md b/en/application-dev/ability/stage-serviceextension.md
index eb8fc17a73..fd91ba285e 100644
--- a/en/application-dev/ability/stage-serviceextension.md
+++ b/en/application-dev/ability/stage-serviceextension.md
@@ -1,7 +1,7 @@
 # Service Extension Ability Development
 
 ## When to Use
-**ExtensionAbility** is the base class of the new **Extension** component in the stage model. It is used to process jobs without UIs. The lifecycle of **ExtensionAbility** is simple, and it does not involve foreground or background. **ServiceExtensionAbility** is extended from **ExtensionAbility**.
+**ExtensionAbility** is the base class of new **Extension** components in the stage model. It is used to process jobs without UIs. The lifecycle of **ExtensionAbility** is simple and does not involve foreground or background. **ServiceExtensionAbility** is extended from **ExtensionAbility**.
 
 You can customize a class that inherits from **ServiceExtensionAbility** and override the lifecycle callbacks of **ExtensionAbility** to perform service logic operations during the initialization, connection, and disconnection processes.
 
-- 
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