fixed 64dc29ee from https://gitee.com/xieqiongyang/docs/pulls/23492

update docs
Signed-off-by: Nxieqiongyang <xieqiongyang@huawei.com>
Change-Id: Ic25936cd5ab245d5c16aa2725128fb16e085d59a

zh-cn/application-dev/reference/apis/js-apis-inner-application-serviceExtensionContext.md

@@ -805,7 +805,7 @@ export default class EntryAbility extends extension {
 
 ```
 
-## UIAbiliServiceExtensionContexttyContext.startAbilityAsCaller<sup>10+<sup>
+## ServiceExtensionContext.startAbilityAsCaller<sup>10+<sup>
 
 startAbilityAsCaller(want: Want, options: StartOptions, callback: AsyncCallback\<void>): void;