diff --git a/README.md b/README.md
index 485c718..8992c63 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,7 @@
 
 * Small Alpine based Image
 * MySQL (default), Postgres, SQLite and Bind backend included
+* DNSSEC support optional
 * Automatic MySQL database initialization
 * Latest PowerDNS version (if not pls file an issue)
 * Guardian process enabled
@@ -48,7 +49,9 @@ $ docker run --name pdns \
   * `MYSQL_USER=root`
   * `MYSQL_PASS=root`
   * `MYSQL_DB=pdns`
+  * `MYSQL_DNSSEC=yes`
 * Want to disable mysql initialization? Use `MYSQL_AUTOCONF=false`
+* DNSSEC is disabled by default
 * Want to use own config files? Mount a Volume to `/etc/pdns/conf.d` or simply overwrite `/etc/pdns/pdns.conf`
 
 **PowerDNS Configuration:**