diff --git a/README.rst b/README.rst
index a59b3b5..eb63014 100644
--- a/README.rst
+++ b/README.rst
@@ -21,6 +21,16 @@
           8.8.8.8:
             keys:
               - keyname
+        control:
+          local:
+            enabled: true
+            bind:
+              address: 127.0.0.1
+              port: 953
+            allow:
+              - 127.0.0.1
+            keys:
+              - xyz
         zone:
           sub.domain.com:
             ttl: 86400
@@ -50,6 +60,12 @@
           hosts:
             - localhost
 
+You can use following command to generate key:
+
+.. code-block:: bash
+
+    dnssec-keygen -a HMAC-SHA512 -b 512 -n HOST -r /dev/urandom mykey
+
 Read more
 =========