diff --git a/modules/vpc/README.md b/modules/vpc/README.md
index 24a0c6a..ed7c484 100644
--- a/modules/vpc/README.md
+++ b/modules/vpc/README.md
@@ -86,7 +86,9 @@ No modules.
 
 | Name | Description |
 |------|-------------|
+| <a name="output_private_route_table_ids"></a> [private\_route\_table\_ids](#output\_private\_route\_table\_ids) | n/a |
 | <a name="output_private_subnet_ids"></a> [private\_subnet\_ids](#output\_private\_subnet\_ids) | A list of private subnet ID's created by this module |
+| <a name="output_public_route_table_ids"></a> [public\_route\_table\_ids](#output\_public\_route\_table\_ids) | n/a |
 | <a name="output_public_subnet_ids"></a> [public\_subnet\_ids](#output\_public\_subnet\_ids) | A list of public subnet ID's created by this module |
 | <a name="output_vpc_id"></a> [vpc\_id](#output\_vpc\_id) | The ID of the VPC created by this module |
 <!-- END_TF_DOCS -->
\ No newline at end of file
diff --git a/modules/vpc/variables.tf b/modules/vpc/variables.tf
index 31e2278..d362c5d 100644
--- a/modules/vpc/variables.tf
+++ b/modules/vpc/variables.tf
@@ -15,7 +15,7 @@
 variable "region" {
   type = string
   validation {
-    condition     = can(regex("^(us|af|ap|ca|eu|me|sa|cn)\\-(east|west|south|northeast|southeast|central|north|northwest)\\-(1|2|3)$", var.region))
+    condition     = can(regex("^(us|af|ap|ca|eu|il|mx|me|sa|cn)\\-(east|west|south|northeast|southeast|central|north|northwest)\\-\\d$", var.region))
     error_message = "The region must be a proper AWS region."
   }
 }