Fix broken link in API Playground troubleshooting page (#873)

* fix broken link

* copyedit

Author: ethanpalm

api-playground/troubleshooting.mdx

@@ -69,8 +69,6 @@ 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
-    likely require you to configure CORS on your server, as these requests will now come directly
-    from your users' browsers.
+    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 in the [settings documentation](/settings#param-proxy). When using this configuration, you will need to configure CORS on your server since requests will come directly from users' browsers rather than through your proxy.
   </Accordion>
 </AccordionGroup>