Update cluster_security_group_id doc (terraform-aws-modules#472)

You cannot filter the public cluster endpoint.

CHANGELOG.md

@@ -21,6 +21,7 @@ project adheres to [Semantic Versioning](http://semver.org/).
 
  - Support map users and roles to multiple groups (by @nauxliu)
  - Fixed errors sometimes happening during destroy due to usage of coalesce() in local.tf (by @petrikero)
+ - Removed historical mention of adding caller's IPv4 to cluster security group (by @dpiddockcmp)
  - Write your awesome change here (by @you)
 
 # History

README.md

@@ -122,7 +122,7 @@ MIT Licensed. See [LICENSE](https://github.com/terraform-aws-modules/terraform-a
 | cluster\_log\_kms\_key\_id | If a KMS Key ARN is set, this key will be used to encrypt the corresponding log group. Please be sure that the KMS Key has an appropriate key policy (https://docs.aws.amazon.com/AmazonCloudWatch/latest/logs/encrypt-log-data-kms.html) | string | `""` | no |
 | cluster\_log\_retention\_in\_days | Number of days to retain log events. Default retention - 90 days. | number | `"90"` | no |
 | cluster\_name | Name of the EKS cluster. Also used as a prefix in names of related resources. | string | n/a | yes |
-| cluster\_security\_group\_id | If provided, the EKS cluster will be attached to this security group. If not given, a security group will be created with necessary ingres/egress to work with the workers and provide API access to your current IP/32. | string | `""` | no |
+| cluster\_security\_group\_id | If provided, the EKS cluster will be attached to this security group. If not given, a security group will be created with necessary ingres/egress to work with the workers | string | `""` | no |
 | cluster\_version | Kubernetes version to use for the EKS cluster. | string | `"1.13"` | no |
 | config\_output\_path | Where to save the Kubectl config file (if `write_kubeconfig = true`). Should end in a forward slash `/` . | string | `"./"` | no |
 | iam\_path | If provided, all IAM roles will be created on this path. | string | `"/"` | no |

variables.tf

@@ -20,7 +20,7 @@ variable "cluster_name" {
 }
 
 variable "cluster_security_group_id" {
-  description = "If provided, the EKS cluster will be attached to this security group. If not given, a security group will be created with necessary ingres/egress to work with the workers and provide API access to your current IP/32."
+  description = "If provided, the EKS cluster will be attached to this security group. If not given, a security group will be created with necessary ingres/egress to work with the workers"
   type        = string
   default     = ""
 }