!19951 【轻量级 PR】：serviceextensionability.md 更正拼写错误

Merge pull request !19951 from wusongqing/N/A

zh-cn/application-dev/application-models/serviceextensionability.md

@@ -217,7 +217,7 @@ export default class ServiceExtImpl extends IdlServiceExtStub {
      "abilityName": "ServiceExtAbility"
    };
    context.stopServiceExtensionAbility(want).then(() => {
-     console.info('Succeeded in stoping ServiceExtensionAbility.');
+     console.info('Succeeded in stopping ServiceExtensionAbility.');
    }).catch((err) => {
      console.error(`Failed to stop ServiceExtensionAbility. Code is ${err.code}, message is ${err.message}`);
    })