fix typo

README.md

@@ -53,7 +53,7 @@ Node.js >= 6.0.0 required.
     };
   const result = await apollo.remoteConfigServiceSikpCache(config);
 ```
-  >**NOTE:** 通过不带缓存的Http接口从Apollo读取配置，详情请参考[Apollo开放平台]https://github.com/ctripcorp/apollo/wiki/%E5%85%B6%E5%AE%83%E8%AF%AD%E8%A8%80%E5%AE%A2%E6%88%B7%E7%AB%AF%E6%8E%A5%E5%85%A5%E6%8C%87%E5%8D%97#13-%E9%80%9A%E8%BF%87%E4%B8%8D%E5%B8%A6%E7%BC%93%E5%AD%98%E7%9A%84http%E6%8E%A5%E5%8F%A3%E4%BB%8Eapollo%E8%AF%BB%E5%8F%96%E9%85%8D%E7%BD%AE.
+  >**NOTE:** 通过不带缓存的Http接口从Apollo读取配置，详情请参考[Apollo开放平台](https://github.com/ctripcorp/apollo/wiki/%E5%85%B6%E5%AE%83%E8%AF%AD%E8%A8%80%E5%AE%A2%E6%88%B7%E7%AB%AF%E6%8E%A5%E5%85%A5%E6%8C%87%E5%8D%97#13-%E9%80%9A%E8%BF%87%E4%B8%8D%E5%B8%A6%E7%BC%93%E5%AD%98%E7%9A%84http%E6%8E%A5%E5%8F%A3%E4%BB%8Eapollo%E8%AF%BB%E5%8F%96%E9%85%8D%E7%BD%AE).
 ### apollo# ```remoteConfigService(config)```
 ```
   const config = {