Convert absolute URLs to root-relative links across documentation

Author: mintlify[bot]

api-playground/customization.mdx

@@ -69,7 +69,7 @@ If your API pages aren't displaying correctly, check these common configuration
     requests, then all of these requests will fail. To fix this, configure your reverse proxy to
     allow `POST` requests to the `/api/request` path.
 
-    Alternatively, if your reverse proxy prevents you from accepting `POST` requests, you can configure Mintlify to send requests directly to your backend with the `api.playground.proxy` setting in the `docs.json`, as described [here](settings#api-configurations). This will
+    Alternatively, if your reverse proxy prevents you from accepting `POST` requests, you can configure Mintlify to send requests directly to your backend with the `api.playground.proxy` setting in the `docs.json`, as described [here](/settings#api-configurations). This will
     likely require you to configure CORS on your server, as these requests will now come directly
     from your users' browsers.
   </Accordion>