Correct low CPU alarm scaling up

main.tf

@@ -238,7 +238,7 @@ resource "aws_cloudwatch_metric_alarm" "cpu_low" {
   evaluation_periods  = "${var.cpu_low_evaluation_periods}"
   alarm_description   = "This will alarm when an app servers CPU usage is below ${var.cpu_low_threshold}% for ${var.cpu_low_evaluation_periods} * ${var.cpu_low_period}"
   alarm_actions       = [
-    "${aws_autoscaling_policy.scale_up.arn}"
+    "${aws_autoscaling_policy.scale_down.arn}"
   ]
   dimensions {
     AutoScalingGroupName = "${aws_autoscaling_group.main.id}"