diff --git a/README.md b/README.md
index 65e9402..afb5ab2 100644
--- a/README.md
+++ b/README.md
@@ -83,7 +83,7 @@ You can find default values in [config/defaults.go](config/defaults.go)
 
 </details>
 
-### 2. DNS (optional)
+### 2. DNS (highly recommended)
 
 Follow the [docs/dns](docs/dns.md)