readme: fix broken link

readme: fix broken link

Author: missinglink

README.md

@@ -6,7 +6,7 @@
 
 Please read the [announcement of the new Elasticsearch JavaScript client](https://www.elastic.co/blog/new-elasticsearch-javascript-client-released) or navigate to the [repository directly](https://github.com/elastic/elasticsearch-js).
 
-We have built a [migration guide](https://www.elastic.co/guide/en/elasticsearch/client/elasticsearch-js/current/breaking-changes.html) that will help you move to the new client quickly. If you have questions or need help, please [open an issue](https://github.com/elastic/elasticsearch-js/issues/new/choose).
+We have built a [migration guide](https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/breaking-changes.html) that will help you move to the new client quickly. If you have questions or need help, please [open an issue](https://github.com/elastic/elasticsearch-js/issues/new/choose).
 
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