!20189 【轻量级 PR】：update zh-cn/application-dev/reference/apis/js-apis-app-ability-uiAbility.md.

Merge pull request !20189 from donglin/N/A

zh-cn/application-dev/reference/apis/js-apis-app-ability-uiAbility.md

@@ -359,7 +359,7 @@ UIAbility生命周期回调，当系统预关闭开关打开后（配置系统
 
   ```ts
   export default class EntryAbility extends UIAbility {
-    onPrepareToTermiante() {
+    onPrepareToTerminate() {
       // 开发者定义预关闭动作
       // 例如拉起另一个ability，根据ability处理结果执行异步关闭
       let want:Want = {