Fix broken links (#12896)

Co-authored-by: Jerel Miller <[email protected]>

Author: techhysahil

docs/source/index.mdx

@@ -34,7 +34,7 @@ Apollo Client works seamlessly with these GraphOS router supported features:
 
 <Note>
 
-Apollo Client also supports `@defer` and GraphQL subscription implementations outside of GraphOS. See the [Defer](./data/defer) guide and [Subscriptions](./data/subscriptions) guide for more information.
+Apollo Client also supports `@defer` and GraphQL subscription implementations outside of GraphOS. See the [Defer](./react/data/defer) guide and [Subscriptions](./react/data/subscriptions) guide for more information.
 
 </Note>