示例代码修改

Signed-off-by: Nmayunteng_1 <mayunteng@huawei.com>
Change-Id: I4cb2a32fd19a3e3a47c93f248f7fb0465f66b4b6

zh-cn/release-notes/changelogs/OpenHarmony_3.2.8.1/changelogs-multimodalinput.md

@@ -85,12 +85,12 @@
 
 ```ts
 import pointer from '@ohos.multimodalInput.pointer';
-pointer.setPointerVisible(true, (error) => {
+pointer.setPointerVisible(true, (error) => {
     console.log(`Set pointer visible success`);
   });
 
 try {
-  pointer.setPointerVisible(true, (error) => {
+  pointer.setPointerVisible(true, (error) => {
     if (error) {
       console.log(`Set pointer visible failed, error: ${JSON.stringify(error, [`code`, `message`])}`);
       return;