Updated navigation pages

Author: handotdev

api-playground/mdx/configuration.mdx

@@ -69,6 +69,6 @@ Mintlify allows you to define your API endpoints using a combination of `docs.js
   </Step>
 
   <Step title="Add your endpoints to your docs">
-    Add your endpoint pages to the sidebar by adding the paths to the `navigation` field in your `docs.json`. Learn more about structuring your docs [here](/settings/navigation).
+    Add your endpoint pages to the sidebar by adding the paths to the `navigation` field in your `docs.json`. Learn more about structuring your docs [here](/core-concepts/navigation).
   </Step>
 </Steps>