diff --git a/terraform.aws/apigateway/main.tf b/terraform.aws/apigateway/main.tf
index b79934083..a2064a0e6 100644
--- a/terraform.aws/apigateway/main.tf
+++ b/terraform.aws/apigateway/main.tf
@@ -165,6 +165,6 @@ resource "aws_lambda_function" "sac_api_gateway_lambda_function" {
   function_name = "sac-testing-apigw-lambda"
   role          = aws_iam_role.sac_api_gateway_role.arn
 
-  runtime = "nodejs12.x"
+  runtime = "nodejs14.x"
   handler = "index.test"
 }
\ No newline at end of file
diff --git a/terraform.aws/elasticache/main.tf b/terraform.aws/elasticache/main.tf
index 01470e208..0d64afc7f 100644
--- a/terraform.aws/elasticache/main.tf
+++ b/terraform.aws/elasticache/main.tf
@@ -13,6 +13,7 @@ resource "aws_elasticache_cluster" "sac_memcached_cluster" {
 }
 
 resource "aws_elasticache_cluster" "sac_redis_cluster" {
+  # oak9: Configure the retention days of a snapshot
   cluster_id           = "sac-testing-redis-cluster"
   engine               = "redis"
   node_type            = "cache.t3.small"
@@ -29,6 +30,7 @@ resource "aws_elasticache_subnet_group" "elasticache_subnet_group" {
 }
 
 resource "aws_elasticache_replication_group" "sac_replication_group_redis" {
+  # oak9: Configure the retention days of a snapshot
   preferred_cache_cluster_azs = ["us-east-2b", "us-east-2c"]
   replication_group_id        = "sac-testing-replication-group-redis"
   description                 = "sac testing replication group"