update zh-cn/application-dev/reference/arkui-ts/ts-methods-action-sheet.md.

ActionSheetExapmle 拼写有误,应改为ActionSheetExample ;
Signed-off-by: 石明 <mingshid@isoftstone.com> 

zh-cn/application-dev/reference/arkui-ts/ts-methods-action-sheet.md

@@ -46,7 +46,7 @@ show(options: { paramObject1})
 // xxx.ets
 @Entry
 @Component
-struct ActionSheetExapmle {
+struct ActionSheetExample {
   build() {
     Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
       Button('Click to Show ActionSheet')