Fix invalid link for ChangeInfo (#128)

docs/js-sdk.mdx

@@ -261,7 +261,7 @@ The callback is called with an event object, and the `event.type` property indic
 
 When the `event.type` is `local-change` or `remote-change`, the `event.value` is a changeInfo, which has `{operations, message}` properties.
 
-For more information about changeInfo for document events, please refer to the [ChangeInfo](https://yorkie.dev/yorkie-js-sdk/api-reference/yorkie-js-sdk.remotechangeevent.html).
+For more information about changeInfo for document events, please refer to the [ChangeInfo](https://yorkie.dev/yorkie-js-sdk/api-reference/interfaces/ChangeInfo.html).
 
 
 ```javascript