diff --git a/roles/dns/application/templates/named.conf.options b/roles/dns/application/templates/named.conf.options
index de65576..bad58b1 100644
--- a/roles/dns/application/templates/named.conf.options
+++ b/roles/dns/application/templates/named.conf.options
@@ -1,13 +1,13 @@
 options {
-    // set main directory
-    directory "/var/cache/bind";
-    // configure dnssec
-    dnssec-validation yes;
-    // session update key
-    session-keyfile "{{ global_dns_session_key_path }}";
-    session-keyname "{{ global_dns_session_key_name }}";
-    session-keyalg "{{ global_dns_session_key_algorithm }}";
-    // etc
-    auth-nxdomain no;
-    listen-on-v6 { any; };
+  // set main directory
+  directory "/var/cache/bind";
+  // configure dnssec
+  dnssec-validation yes;
+  // session update key
+  session-keyfile "{{ global_dns_session_key_path }}";
+  session-keyname "{{ global_dns_session_key_name }}";
+  session-keyalg "{{ global_dns_session_key_algorithm }}";
+  // etc
+  auth-nxdomain no;
+  listen-on-v6 { any; };
 };