diff --git a/alb_template/aws_acm_certificate_validation.tf b/alb_template/aws_acm_certificate_validation.tf
index ca8c6d9..41be869 100644
--- a/alb_template/aws_acm_certificate_validation.tf
+++ b/alb_template/aws_acm_certificate_validation.tf
@@ -1,5 +1,5 @@
 resource "aws_acm_certificate_validation" "cert" {
-  certificate_arn = aws_acm_certificate.https-certificate.arn
+  certificate_arn         = aws_acm_certificate.https-certificate.arn
   validation_record_fqdns = aws_route53_record.https-certificate-validations.*.fqdn
 }
 
diff --git a/ecs_ec2_cluster_template/variables.tf b/ecs_ec2_cluster_template/variables.tf
index 533eb8d..ffa5318 100644
--- a/ecs_ec2_cluster_template/variables.tf
+++ b/ecs_ec2_cluster_template/variables.tf
@@ -135,17 +135,17 @@ EOF
 }
 
 variable "autoscaling_scaledown_max" {
-  default = 0
+  default     = 0
   description = "Max instance count during autoscaling_scaledown_between_utc period."
 }
 
 variable "autoscaling_scaledown_desired_capacity" {
-  default = 0
+  default     = 0
   description = "Instance count during autoscaling_scaledown_between_utc period."
 }
 
 variable "autoscaling_scaledown_min" {
-  default = 0
+  default     = 0
   description = "Minimum instance count during autoscaling_scaledown_between_utc period."
 }
 
diff --git a/ecs_web_service_template/variables.tf b/ecs_web_service_template/variables.tf
index 43ecce8..de3c6ea 100644
--- a/ecs_web_service_template/variables.tf
+++ b/ecs_web_service_template/variables.tf
@@ -62,7 +62,7 @@ EOF
 }
 
 variable "loadbalancer_listener_arns" {
-  type = list(string)
+  type        = list(string)
   description = <<EOF
 List of listener ARN of ALB. All listeners must belong to same ALB.
 
@@ -79,7 +79,7 @@ variable "loadbalancer_listener_arns_count" {
 }
 
 variable "loadbalancer_listener_priority" {
-  default = 1000
+  default     = 1000
   description = "The priority for the rule of the loadbalancer."
 }
 
@@ -107,7 +107,7 @@ variable "policy_arn" {
 }
 
 variable "task_execution_policy_arn" {
-  default = ""
+  default     = ""
   description = "ARN of IAM policy to attatch to ESC task execution role"
 }
 
@@ -128,14 +128,14 @@ variable "container_definitions" {
 }
 
 variable "ecs_deployment_maximum_percent" {
-  type = number
-  default = null
+  type        = number
+  default     = null
   description = "aws_ecs_service.ecs_deployment_maximum_percent (0 to 200)"
 }
 
 variable "ecs_deployment_minimum_healthy_percent" {
-  type = number
-  default = null
+  type        = number
+  default     = null
   description = "aws_ecs_service.deployment_minimum_healthy_percent (0 to 100)"
 }
 
@@ -144,7 +144,7 @@ variable "ecs_service_desired_count" {
 }
 
 variable "volume_name" {
-  default = "task_volume"
+  default     = "task_volume"
   description = "volume name for the ECS task."
 }
 
@@ -157,17 +157,17 @@ variable "target_container_port" {
 }
 
 variable "target_group_protocol" {
-  default = "HTTP"
+  default     = "HTTP"
   description = "Protocol between LB and container."
 }
 
 variable "slow_start_sec" {
-  default = 30
+  default     = 30
   description = "aws_alb_target_group.slow_start, LB don't so much traffic to the container during this period."
 }
 
 variable "deregistration_delay" {
-  default = 30
+  default     = 30
   description = "aws_alb_target_group.deregistration_delay, duration of draining state [sec]"
 }
 
@@ -176,7 +176,7 @@ variable "health_check_path" {
 }
 
 variable "health_check_matcher" {
-  default = "200"
+  default     = "200"
   description = "healthcheck successful status code. Can use comma to specify multiple. Can use hypen to specify range."
 }
 
@@ -185,22 +185,22 @@ variable "health_check_grace_period_seconds" {
 }
 
 variable "health_check_interval" {
-  default = 10
+  default     = 10
   description = "healthcheck interval [sec]"
 }
 
 variable "health_check_timeout" {
-  default = 6
+  default     = 6
   description = "helthcheck timeout [sec]"
 }
 
 variable "unhealthy_threshold" {
-  default = 3
+  default     = 3
   description = "Contignous healthcheck count to mark container as unhealthy"
 }
 
 variable "healthy_threshold" {
-  default = 3
+  default     = 3
   description = "Contignous healthcheck count to mark container as healthy"
 }
 
diff --git a/guardduty_slack/regional/aws_guardduty_ipset.tf b/guardduty_slack/regional/aws_guardduty_ipset.tf
index 54c5c76..dd8733c 100644
--- a/guardduty_slack/regional/aws_guardduty_ipset.tf
+++ b/guardduty_slack/regional/aws_guardduty_ipset.tf
@@ -1,5 +1,5 @@
 resource "aws_guardduty_ipset" "MyIPSet" {
-  count    = var.is_enable_gurdduty_ipset == true ? 1 : 0
+  count    = var.is_enable_guardduty_ipset == true ? 1 : 0
   provider = aws.regional
 
   activate    = true
@@ -10,7 +10,7 @@ resource "aws_guardduty_ipset" "MyIPSet" {
 }
 
 resource "random_id" "hash" {
-  count = var.is_enable_gurdduty_ipset == true ? 1 : 0
+  count = var.is_enable_guardduty_ipset == true ? 1 : 0
 
   keepers = {
     # Generate a new id each time we switch to a new AMI id
diff --git a/guardduty_slack/regional/variables.tf b/guardduty_slack/regional/variables.tf
index a003723..cfad5af 100644
--- a/guardduty_slack/regional/variables.tf
+++ b/guardduty_slack/regional/variables.tf
@@ -10,7 +10,7 @@ variable "is_enable_lambda_notify_to_slack" {
   type = bool
 }
 
-variable "is_enable_gurdduty_ipset" {
+variable "is_enable_guardduty_ipset" {
   type = bool
 }
 
diff --git a/guardduty_slack/regions.tf b/guardduty_slack/regions.tf
index 3e56b4b..218b091 100644
--- a/guardduty_slack/regions.tf
+++ b/guardduty_slack/regions.tf
@@ -13,7 +13,7 @@ module "us-east-1" {
   lambda_notify_to_slack_arn             = module.lambda_sns_to_slack.lambda_arn
   is_enable_lambda_notify_to_slack       = var.guardduty_slack_webhook_url == "" ? false : true
   ipset_location                         = local.ipset_location
-  is_enable_gurdduty_ipset               = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
+  is_enable_guardduty_ipset              = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
   guardduty_finding_publishing_frequency = var.guardduty_finding_publishing_frequency
 }
 module "us-east-2" {
@@ -26,7 +26,7 @@ module "us-east-2" {
   lambda_notify_to_slack_arn             = module.lambda_sns_to_slack.lambda_arn
   is_enable_lambda_notify_to_slack       = var.guardduty_slack_webhook_url == "" ? false : true
   ipset_location                         = local.ipset_location
-  is_enable_gurdduty_ipset               = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
+  is_enable_guardduty_ipset              = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
   guardduty_finding_publishing_frequency = var.guardduty_finding_publishing_frequency
 }
 module "us-west-1" {
@@ -39,7 +39,7 @@ module "us-west-1" {
   lambda_notify_to_slack_arn             = module.lambda_sns_to_slack.lambda_arn
   is_enable_lambda_notify_to_slack       = var.guardduty_slack_webhook_url == "" ? false : true
   ipset_location                         = local.ipset_location
-  is_enable_gurdduty_ipset               = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
+  is_enable_guardduty_ipset              = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
   guardduty_finding_publishing_frequency = var.guardduty_finding_publishing_frequency
 }
 module "us-west-2" {
@@ -52,7 +52,7 @@ module "us-west-2" {
   lambda_notify_to_slack_arn             = module.lambda_sns_to_slack.lambda_arn
   is_enable_lambda_notify_to_slack       = var.guardduty_slack_webhook_url == "" ? false : true
   ipset_location                         = local.ipset_location
-  is_enable_gurdduty_ipset               = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
+  is_enable_guardduty_ipset              = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
   guardduty_finding_publishing_frequency = var.guardduty_finding_publishing_frequency
 }
 module "ca-central-1" {
@@ -65,7 +65,7 @@ module "ca-central-1" {
   lambda_notify_to_slack_arn             = module.lambda_sns_to_slack.lambda_arn
   is_enable_lambda_notify_to_slack       = var.guardduty_slack_webhook_url == "" ? false : true
   ipset_location                         = local.ipset_location
-  is_enable_gurdduty_ipset               = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
+  is_enable_guardduty_ipset              = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
   guardduty_finding_publishing_frequency = var.guardduty_finding_publishing_frequency
 }
 module "eu-central-1" {
@@ -78,7 +78,7 @@ module "eu-central-1" {
   lambda_notify_to_slack_arn             = module.lambda_sns_to_slack.lambda_arn
   is_enable_lambda_notify_to_slack       = var.guardduty_slack_webhook_url == "" ? false : true
   ipset_location                         = local.ipset_location
-  is_enable_gurdduty_ipset               = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
+  is_enable_guardduty_ipset              = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
   guardduty_finding_publishing_frequency = var.guardduty_finding_publishing_frequency
 }
 module "eu-west-1" {
@@ -91,7 +91,7 @@ module "eu-west-1" {
   lambda_notify_to_slack_arn             = module.lambda_sns_to_slack.lambda_arn
   is_enable_lambda_notify_to_slack       = var.guardduty_slack_webhook_url == "" ? false : true
   ipset_location                         = local.ipset_location
-  is_enable_gurdduty_ipset               = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
+  is_enable_guardduty_ipset              = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
   guardduty_finding_publishing_frequency = var.guardduty_finding_publishing_frequency
 }
 module "eu-west-2" {
@@ -104,7 +104,7 @@ module "eu-west-2" {
   lambda_notify_to_slack_arn             = module.lambda_sns_to_slack.lambda_arn
   is_enable_lambda_notify_to_slack       = var.guardduty_slack_webhook_url == "" ? false : true
   ipset_location                         = local.ipset_location
-  is_enable_gurdduty_ipset               = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
+  is_enable_guardduty_ipset              = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
   guardduty_finding_publishing_frequency = var.guardduty_finding_publishing_frequency
 }
 module "eu-west-3" {
@@ -117,7 +117,7 @@ module "eu-west-3" {
   lambda_notify_to_slack_arn             = module.lambda_sns_to_slack.lambda_arn
   is_enable_lambda_notify_to_slack       = var.guardduty_slack_webhook_url == "" ? false : true
   ipset_location                         = local.ipset_location
-  is_enable_gurdduty_ipset               = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
+  is_enable_guardduty_ipset              = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
   guardduty_finding_publishing_frequency = var.guardduty_finding_publishing_frequency
 }
 module "eu-north-1" {
@@ -130,7 +130,7 @@ module "eu-north-1" {
   lambda_notify_to_slack_arn             = module.lambda_sns_to_slack.lambda_arn
   is_enable_lambda_notify_to_slack       = var.guardduty_slack_webhook_url == "" ? false : true
   ipset_location                         = local.ipset_location
-  is_enable_gurdduty_ipset               = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
+  is_enable_guardduty_ipset              = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
   guardduty_finding_publishing_frequency = var.guardduty_finding_publishing_frequency
 }
 module "ap-northeast-1" {
@@ -143,7 +143,7 @@ module "ap-northeast-1" {
   lambda_notify_to_slack_arn             = module.lambda_sns_to_slack.lambda_arn
   is_enable_lambda_notify_to_slack       = var.guardduty_slack_webhook_url == "" ? false : true
   ipset_location                         = local.ipset_location
-  is_enable_gurdduty_ipset               = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
+  is_enable_guardduty_ipset              = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
   guardduty_finding_publishing_frequency = var.guardduty_finding_publishing_frequency
 }
 module "ap-northeast-2" {
@@ -156,7 +156,7 @@ module "ap-northeast-2" {
   lambda_notify_to_slack_arn             = module.lambda_sns_to_slack.lambda_arn
   is_enable_lambda_notify_to_slack       = var.guardduty_slack_webhook_url == "" ? false : true
   ipset_location                         = local.ipset_location
-  is_enable_gurdduty_ipset               = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
+  is_enable_guardduty_ipset              = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
   guardduty_finding_publishing_frequency = var.guardduty_finding_publishing_frequency
 }
 module "ap-southeast-1" {
@@ -169,7 +169,7 @@ module "ap-southeast-1" {
   lambda_notify_to_slack_arn             = module.lambda_sns_to_slack.lambda_arn
   is_enable_lambda_notify_to_slack       = var.guardduty_slack_webhook_url == "" ? false : true
   ipset_location                         = local.ipset_location
-  is_enable_gurdduty_ipset               = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
+  is_enable_guardduty_ipset              = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
   guardduty_finding_publishing_frequency = var.guardduty_finding_publishing_frequency
 }
 module "ap-southeast-2" {
@@ -182,7 +182,7 @@ module "ap-southeast-2" {
   lambda_notify_to_slack_arn             = module.lambda_sns_to_slack.lambda_arn
   is_enable_lambda_notify_to_slack       = var.guardduty_slack_webhook_url == "" ? false : true
   ipset_location                         = local.ipset_location
-  is_enable_gurdduty_ipset               = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
+  is_enable_guardduty_ipset              = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
   guardduty_finding_publishing_frequency = var.guardduty_finding_publishing_frequency
 }
 module "ap-south-1" {
@@ -195,7 +195,7 @@ module "ap-south-1" {
   lambda_notify_to_slack_arn             = module.lambda_sns_to_slack.lambda_arn
   is_enable_lambda_notify_to_slack       = var.guardduty_slack_webhook_url == "" ? false : true
   ipset_location                         = local.ipset_location
-  is_enable_gurdduty_ipset               = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
+  is_enable_guardduty_ipset              = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
   guardduty_finding_publishing_frequency = var.guardduty_finding_publishing_frequency
 }
 module "sa-east-1" {
@@ -208,6 +208,6 @@ module "sa-east-1" {
   lambda_notify_to_slack_arn             = module.lambda_sns_to_slack.lambda_arn
   is_enable_lambda_notify_to_slack       = var.guardduty_slack_webhook_url == "" ? false : true
   ipset_location                         = local.ipset_location
-  is_enable_gurdduty_ipset               = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
+  is_enable_guardduty_ipset              = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
   guardduty_finding_publishing_frequency = var.guardduty_finding_publishing_frequency
 }
diff --git a/guardduty_slack/regions.tf.sh b/guardduty_slack/regions.tf.sh
index d014000..f14a153 100755
--- a/guardduty_slack/regions.tf.sh
+++ b/guardduty_slack/regions.tf.sh
@@ -32,7 +32,7 @@ module "$region" {
   lambda_notify_to_slack_arn             = module.lambda_sns_to_slack.lambda_arn
   is_enable_lambda_notify_to_slack       = var.guardduty_slack_webhook_url == "" ? false : true
   ipset_location                         = local.ipset_location
-  is_enable_gurdduty_ipset               = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
+  is_enable_guardduty_ipset              = length(var.trusted_ip_cidr_blocks) > 0 ? true : false
   guardduty_finding_publishing_frequency = var.guardduty_finding_publishing_frequency
 }
 EOS
diff --git a/guardduty_slack/variables.tf b/guardduty_slack/variables.tf
index d552b14..43f58b3 100644
--- a/guardduty_slack/variables.tf
+++ b/guardduty_slack/variables.tf
@@ -11,7 +11,7 @@ variable "s3_bucket_name" {
 
 variable "trusted_ip_cidr_blocks" {
   type        = list(string)
-  description = "CIDR block notations of trusted IP address ranges. (If you set an empty list, build without the gurdduty ipset. )"
+  description = "CIDR block notations of trusted IP address ranges. (If you set an empty list, build without the guardduty ipset. )"
   default     = []
 }
 
diff --git a/lambda_monitoring/aws_cloudwatch_metric_alarm.tf b/lambda_monitoring/aws_cloudwatch_metric_alarm.tf
index 8c447f3..9c1deff 100644
--- a/lambda_monitoring/aws_cloudwatch_metric_alarm.tf
+++ b/lambda_monitoring/aws_cloudwatch_metric_alarm.tf
@@ -1,112 +1,112 @@
 resource "aws_cloudwatch_metric_alarm" "lambda_error" {
-  alarm_name = "${var.function_name}-errors"
+  alarm_name        = "${var.function_name}-errors"
   alarm_description = "Lambda \"${var.function_name}\" error occured"
 
-  namespace = "AWS/Lambda"
-  metric_name = "Errors"
-  statistic = "Maximum"
-  period = "60"
+  namespace          = "AWS/Lambda"
+  metric_name        = "Errors"
+  statistic          = "Maximum"
+  period             = "60"
   evaluation_periods = "1"
 
   treat_missing_data = "notBreaching"
 
   comparison_operator = "GreaterThanThreshold"
-  threshold = "0"
+  threshold           = "0"
 
   dimensions = {
     FunctionName = var.function_name
   }
 
-  alarm_actions = [ var.sns_arn ]
+  alarm_actions = [var.sns_arn]
 }
 
 resource "aws_cloudwatch_metric_alarm" "lambda_throttles" {
-  alarm_name = "${var.function_name}-throttles"
+  alarm_name        = "${var.function_name}-throttles"
   alarm_description = "Lambda \"${var.function_name}\" throttled"
 
-  namespace = "AWS/Lambda"
-  metric_name = "Throttles"
-  statistic = "Maximum"
-  period = "60"
+  namespace          = "AWS/Lambda"
+  metric_name        = "Throttles"
+  statistic          = "Maximum"
+  period             = "60"
   evaluation_periods = "1"
 
   treat_missing_data = "notBreaching"
 
   comparison_operator = "GreaterThanThreshold"
-  threshold = "0"
+  threshold           = "0"
 
   dimensions = {
     FunctionName = var.function_name
   }
 
-  alarm_actions = [ var.sns_arn ]
+  alarm_actions = [var.sns_arn]
 }
 
 
 resource "aws_cloudwatch_metric_alarm" "lambda_duration" {
   count = (var.duration_alarm_ms == 0) ? 0 : 1
 
-  alarm_name = "${var.function_name}-duration"
+  alarm_name        = "${var.function_name}-duration"
   alarm_description = "Lambda \"${var.function_name}\" duration too long"
 
-  namespace = "AWS/Lambda"
-  metric_name = "Duration"
-  statistic = "Maximum"
-  period = "60"
+  namespace          = "AWS/Lambda"
+  metric_name        = "Duration"
+  statistic          = "Maximum"
+  period             = "60"
   evaluation_periods = "1"
 
   treat_missing_data = "notBreaching"
 
   comparison_operator = "GreaterThanThreshold"
-  threshold = var.duration_alarm_ms
+  threshold           = var.duration_alarm_ms
 
   dimensions = {
     FunctionName = var.function_name
   }
 
-  alarm_actions = [ var.sns_arn ]
+  alarm_actions = [var.sns_arn]
 }
 
 resource "aws_cloudwatch_metric_alarm" "lambda_invocations_max" {
-  alarm_name = "${var.function_name}-invocations-max"
+  alarm_name        = "${var.function_name}-invocations-max"
   alarm_description = "Lambda \"${var.function_name}\" too many invocations"
 
-  namespace = "AWS/Lambda"
-  metric_name = "Invocations"
-  statistic = "Sum"
-  period = var.invocations_window_seconds
+  namespace          = "AWS/Lambda"
+  metric_name        = "Invocations"
+  statistic          = "Sum"
+  period             = var.invocations_window_seconds
   evaluation_periods = "1"
 
   treat_missing_data = "notBreaching"
 
   comparison_operator = "GreaterThanThreshold"
-  threshold = var.invocations_max
+  threshold           = var.invocations_max
 
   dimensions = {
     FunctionName = var.function_name
   }
 
-  alarm_actions = [ var.sns_arn ]
+  alarm_actions = [var.sns_arn]
 }
 
 resource "aws_cloudwatch_metric_alarm" "lambda_invocations_min" {
-  alarm_name = "${var.function_name}-invocations-min"
+  alarm_name        = "${var.function_name}-invocations-min"
   alarm_description = "Lambda \"${var.function_name}\" too few invocations"
 
-  namespace = "AWS/Lambda"
-  metric_name = "Invocations"
-  statistic = "Sum"
-  period = var.invocations_window_seconds
+  namespace          = "AWS/Lambda"
+  metric_name        = "Invocations"
+  statistic          = "Sum"
+  period             = var.invocations_window_seconds
   evaluation_periods = "1"
 
   treat_missing_data = "notBreaching"
 
   comparison_operator = "LessThanThreshold"
-  threshold = var.invocations_min
+  threshold           = var.invocations_min
 
   dimensions = {
     FunctionName = var.function_name
   }
 
-  alarm_actions = [ var.sns_arn ]
+  alarm_actions = [var.sns_arn]
 }
diff --git a/lambda_monitoring/variables.tf b/lambda_monitoring/variables.tf
index aa8dd06..b49d9e5 100644
--- a/lambda_monitoring/variables.tf
+++ b/lambda_monitoring/variables.tf
@@ -6,7 +6,7 @@ variable "sns_arn" {
 }
 
 variable "duration_alarm_ms" {
-  default = 0
+  default     = 0
   description = "Milliseconds threshold to alarm too long lambda execution. 0 (default) to disable this alarm."
 }
 
@@ -15,11 +15,11 @@ variable "invocations_max" {
 }
 
 variable "invocations_min" {
-  default = 0
+  default     = 0
   description = "Threshold to alarm too many invocations."
 }
 
 variable "invocations_window_seconds" {
-  default = 5 * 60
+  default     = 5 * 60
   description = "Window (duration) to check max,min_invocations. Unit is [sec]."
 }