From f2a166acb3d8dd5c87ebae50d89949ebd1aa36f1 Mon Sep 17 00:00:00 2001
From: duangavin123 <duanxichao@huawei.com>
Date: Sun, 27 Mar 2022 06:56:08 +0000
Subject: [PATCH] update zh-cn/device-dev/subsystems/subsys-usbservice-demo.md.
 Signed-off-by: duangavin123 <duanxichao@huawei.com>

---
 zh-cn/device-dev/subsystems/subsys-usbservice-demo.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/zh-cn/device-dev/subsystems/subsys-usbservice-demo.md b/zh-cn/device-dev/subsystems/subsys-usbservice-demo.md
index 6d41ebec6e..523c048db6 100644
--- a/zh-cn/device-dev/subsystems/subsys-usbservice-demo.md
+++ b/zh-cn/device-dev/subsystems/subsys-usbservice-demo.md
@@ -1,4 +1,4 @@
-# USB服务子系使用实例<a name="ZH-CN_TOPIC_0000001092792986"></a>
+# USB服务子系统使用实例<a name="ZH-CN_TOPIC_0000001092792986"></a>
 
 
 ```
-- 
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