fix: fix broken doc link

Author: krrishdholakia

docs/my-website/docs/proxy/litellm_managed_files.md

@@ -424,4 +424,4 @@ No, as of `v1.71.2` users can only view/edit/delete files they have created.
 ## See Also
 
 - [Managed Files w/ Finetuning APIs](../../docs/proxy/managed_finetuning)
-- [Managed Files w/ Batch APIs](../../docs/proxy/managed_batch)
+- [Managed Files w/ Batch APIs](../../docs/proxy/managed_batches)