diff --git a/FAQ.md b/FAQ.md
index c9a3eff..b29765c 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -816,6 +816,8 @@ The final reason is related to the user's cloud provider.
 > I believe it was something with international routes because Rustdesk site (currently hosted at address 45.76.181.120) was not the only host we couldn't reach from our server.
 >
 > If you're running with Docker, please confirm that `nslookup rustdesk.com` works on your host server. If it works on the host, restarting the Docker container will likely resolve the issue.
+>
+> You can run command in the container like this, `docker exec -it hbbs sh -c "nslookup rustdesk.com"`
 
 User 2:
 > I forgot that on the host vlan there was geoblocking active on the firewall. I whitelisted the ip address and now it's working.