diff --git a/addons/monitoring/.header.md b/addons/monitoring/.header.md
index d4653c3..84afcc0 100644
--- a/addons/monitoring/.header.md
+++ b/addons/monitoring/.header.md
@@ -151,13 +151,13 @@ module "monitoring" {
 Valid targets for `sns_topic_arns_map`:
 
  - acm_certificate_expired
- - alb_helthyhosts
+ - alb_healthyhosts
  - alb_httpcode_5xx
  - backend_response_time
  - cron_monitoring (notifications about failures in the cron scheduler)
  - cron_job_failure_monitoring (notifications about errors in individual cron jobs - defaults to value of `cron_monitoring`)
  - log_monitoring
- - rds_cpu_untilizaton_too_high
+ - rds_cpu_utilization_too_high
  - rds_db_event_subscription
  - redis_cpu_engine_utilization
  - redis_cpu_utilization
@@ -167,6 +167,11 @@ Valid targets for `sns_topic_arns_map`:
 
 If you want to publish to all, use `default_sns_topic_arns` instead and include your notification ARNs there.
 
+Deprecated (typo) aliases are still accepted for backwards compatibility:
+
+ - alb_helthyhosts (use alb_healthyhosts)
+ - rds_cpu_untilizaton_too_high (use rds_cpu_utilization_too_high)
+
 # Cron Names
 
  - apple_mdm_apns_pusher
diff --git a/addons/monitoring/README.md b/addons/monitoring/README.md
index 9ff9a4e..c6dfa0d 100644
--- a/addons/monitoring/README.md
+++ b/addons/monitoring/README.md
@@ -151,13 +151,13 @@ module "monitoring" {
 Valid targets for `sns_topic_arns_map`:
 
  - acm\_certificate\_expired
- - alb\_helthyhosts
+ - alb\_healthyhosts
  - alb\_httpcode\_5xx
  - backend\_response\_time
  - cron\_monitoring (notifications about failures in the cron scheduler)
  - cron\_job\_failure\_monitoring (notifications about errors in individual cron jobs - defaults to value of `cron_monitoring`)
  - log\_monitoring
- - rds\_cpu\_untilizaton\_too\_high
+ - rds\_cpu\_utilization\_too\_high
  - rds\_db\_event\_subscription
  - redis\_cpu\_engine\_utilization
  - redis\_cpu\_utilization
@@ -167,6 +167,11 @@ Valid targets for `sns_topic_arns_map`:
 
 If you want to publish to all, use `default_sns_topic_arns` instead and include your notification ARNs there.
 
+Deprecated (typo) aliases are still accepted for backwards compatibility:
+
+ - alb\_helthyhosts (use alb\_healthyhosts)
+ - rds\_cpu\_untilizaton\_too\_high (use rds\_cpu\_utilization\_too\_high)
+
 # Cron Names
 
  - apple\_mdm\_apns\_pusher
diff --git a/addons/monitoring/main.tf b/addons/monitoring/main.tf
index 649d459..8fca2c1 100644
--- a/addons/monitoring/main.tf
+++ b/addons/monitoring/main.tf
@@ -10,8 +10,8 @@ resource "aws_cloudwatch_metric_alarm" "cpu_utilization_too_high" {
   statistic           = "Average"
   threshold           = 80
   alarm_description   = "Average database CPU utilization over last 5 minutes too high"
-  alarm_actions       = lookup(var.sns_topic_arns_map, "rds_cpu_untilizaton_too_high", var.default_sns_topic_arns)
-  ok_actions          = lookup(var.sns_topic_arns_map, "rds_cpu_untilizaton_too_high", var.default_sns_topic_arns)
+  alarm_actions       = lookup(var.sns_topic_arns_map, "rds_cpu_utilization_too_high", lookup(var.sns_topic_arns_map, "rds_cpu_untilizaton_too_high", var.default_sns_topic_arns))
+  ok_actions          = lookup(var.sns_topic_arns_map, "rds_cpu_utilization_too_high", lookup(var.sns_topic_arns_map, "rds_cpu_untilizaton_too_high", var.default_sns_topic_arns))
   dimensions = {
     DBInstanceIdentifier = each.key
   }
@@ -162,8 +162,8 @@ resource "aws_cloudwatch_metric_alarm" "alb_healthyhosts" {
   threshold           = each.value.min_containers
   alarm_description   = "This alarm indicates the number of Healthy Fleet hosts is lower than expected. Please investigate the load balancer \"${each.value.name}\" or the target group \"${each.value.target_group_name}\" and the fleet backend service \"${each.value.ecs_service_name}\""
   actions_enabled     = "true"
-  alarm_actions       = lookup(var.sns_topic_arns_map, "alb_helthyhosts", var.default_sns_topic_arns)
-  ok_actions          = lookup(var.sns_topic_arns_map, "alb_helthyhosts", var.default_sns_topic_arns)
+  alarm_actions       = lookup(var.sns_topic_arns_map, "alb_healthyhosts", lookup(var.sns_topic_arns_map, "alb_helthyhosts", var.default_sns_topic_arns))
+  ok_actions          = lookup(var.sns_topic_arns_map, "alb_healthyhosts", lookup(var.sns_topic_arns_map, "alb_helthyhosts", var.default_sns_topic_arns))
   dimensions = {
     TargetGroup  = each.value.target_group_arn_suffix
     LoadBalancer = each.value.arn_suffix