diff --git a/demo-16/autoscaling.tf b/demo-16/autoscaling.tf
index 07180e6..235904c 100644
--- a/demo-16/autoscaling.tf
+++ b/demo-16/autoscaling.tf
@@ -11,7 +11,7 @@ resource "aws_autoscaling_group" "example-autoscaling" {
   name                 = "example-autoscaling"
   vpc_zone_identifier  = ["${aws_subnet.main-public-1.id}", "${aws_subnet.main-public-2.id}"]
   launch_configuration = "${aws_launch_configuration.example-launchconfig.name}"
-  min_size             = 1
+  min_size             = 2
   max_size             = 2
   health_check_grace_period = 300
   health_check_type = "ELB"
diff --git a/demo-16/output.tf b/demo-16/output.tf
new file mode 100644
index 0000000..64d93d6
--- /dev/null
+++ b/demo-16/output.tf
@@ -0,0 +1,3 @@
+output "ELB" {
+	value = "${aws_elb.my-elb.dns_name}"
+}
diff --git a/demo-16/securitygroup.tf b/demo-16/securitygroup.tf
index d86d0b7..ee678c6 100644
--- a/demo-16/securitygroup.tf
+++ b/demo-16/securitygroup.tf
@@ -20,7 +20,7 @@ resource "aws_security_group" "myinstance" {
       from_port = 80
       to_port = 80
       protocol = "tcp"
-      security_groups = ["${aws_security_group.elb-securitygroup.name}"]
+      security_groups = ["${aws_security_group.elb-securitygroup.id}"]
   }
 
   tags {