diff --git a/cmd/cloudflared/tunnel/cmd.go b/cmd/cloudflared/tunnel/cmd.go
index 9b95c11f..24ec3817 100644
--- a/cmd/cloudflared/tunnel/cmd.go
+++ b/cmd/cloudflared/tunnel/cmd.go
@@ -110,8 +110,8 @@ const (
 
 	tunnelCmdErrorMessage = `You did not specify any valid additional argument to the cloudflared tunnel command.
 
-If you are trying to run a Quick Tunnel then you need to explicitly pass the --url flag.
-Eg. cloudflared tunnel --url localhost:8080/.
+If you are trying to run a Quick Tunnel then you need to explicitly pass a --url or --unix-socket flag.
+Eg. 'cloudflared tunnel --url localhost:8080/' or 'cloudflared tunnel --unix-socket /tmp/socket'.
 
 Please note that Quick Tunnels are meant to be ephemeral and should only be used for testing purposes.
 For production usage, we recommend creating Named Tunnels. (https://developers.cloudflare.com/cloudflare-one/connections/connect-apps/install-and-setup/tunnel-guide/)