diff --git a/README.md b/README.md
index d2b28a8b6..327b3f298 100644
--- a/README.md
+++ b/README.md
@@ -281,6 +281,7 @@ No modules.
 | [aws_default_vpc.this](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/default_vpc) | resource |
 | [aws_egress_only_internet_gateway.this](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/egress_only_internet_gateway) | resource |
 | [aws_eip.nat](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/eip) | resource |
+| [aws_eip.secondary](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/eip) | resource |
 | [aws_elasticache_subnet_group.elasticache](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/elasticache_subnet_group) | resource |
 | [aws_flow_log.this](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/flow_log) | resource |
 | [aws_iam_policy.vpc_flow_log_cloudwatch](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/iam_policy) | resource |
@@ -496,6 +497,7 @@ No modules.
 | <a name="input_nat_eip_tags"></a> [nat\_eip\_tags](#input\_nat\_eip\_tags) | Additional tags for the NAT EIP | `map(string)` | `{}` | no |
 | <a name="input_nat_gateway_destination_cidr_block"></a> [nat\_gateway\_destination\_cidr\_block](#input\_nat\_gateway\_destination\_cidr\_block) | Used to pass a custom destination route for private NAT Gateway. If not specified, the default 0.0.0.0/0 is used as a destination route | `string` | `"0.0.0.0/0"` | no |
 | <a name="input_nat_gateway_tags"></a> [nat\_gateway\_tags](#input\_nat\_gateway\_tags) | Additional tags for the NAT gateways | `map(string)` | `{}` | no |
+| <a name="input_number_of_secondary_eips_per_gateway"></a> [number\_of\_secondary\_eips\_per\_gateway](#input\_number\_of\_secondary\_eips\_per\_gateway) | how many secondary eips per NAT Gateway | `number` | `0` | no |
 | <a name="input_one_nat_gateway_per_az"></a> [one\_nat\_gateway\_per\_az](#input\_one\_nat\_gateway\_per\_az) | Should be true if you want only one NAT Gateway per availability zone. Requires `var.azs` to be set, and the number of `public_subnets` created to be greater than or equal to the number of availability zones specified in `var.azs` | `bool` | `false` | no |
 | <a name="input_outpost_acl_tags"></a> [outpost\_acl\_tags](#input\_outpost\_acl\_tags) | Additional tags for the outpost subnets network ACL | `map(string)` | `{}` | no |
 | <a name="input_outpost_arn"></a> [outpost\_arn](#input\_outpost\_arn) | ARN of Outpost you want to create a subnet in | `string` | `null` | no |
diff --git a/variables.tf b/variables.tf
index 1fd9b0c1e..d4e9bab8c 100644
--- a/variables.tf
+++ b/variables.tf
@@ -1223,7 +1223,7 @@ variable "external_nat_ips" {
 }
 
 variable "number_of_secondary_eips_per_gateway" {
-  description = "how many secondary eips per natgateway"
+  description = "how many secondary eips per NAT Gateway"
   type        = number
   default     = 0
 }