chore: update README.md

Author: actions-user

README.md

@@ -328,7 +328,7 @@ Available targets:
 | <a name="input_repo_owner"></a> [repo\_owner](#input\_repo\_owner) | GitHub Organization or Username | `string` | `""` | no |
 | <a name="input_runtime_platform"></a> [runtime\_platform](#input\_runtime\_platform) | Zero or one runtime platform configurations that containers in your task may use.<br/>Map of strings with optional keys `operating_system_family` and `cpu_architecture`.<br/>See `runtime_platform` docs https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/ecs_task_definition#runtime_platform | `list(map(string))` | `[]` | no |
 | <a name="input_secrets"></a> [secrets](#input\_secrets) | The secrets to pass to the container. This is a list of maps | <pre>list(object({<br/>    name      = string<br/>    valueFrom = string<br/>  }))</pre> | `null` | no |
-| <a name="input_service_registries"></a> [service\_registries](#input\_service\_registries) | The service discovery registries for the service. The maximum number of service\_registries blocks is 1. The currently supported service registry is Amazon Route 53 Auto Naming Service - `aws_service_discovery_service`; see `service_registries` docs https://www.terraform.io/docs/providers/aws/r/ecs_service.html#service_registries-1 | <pre>list(object({<br/>    registry_arn   = string<br/>    port           = number<br/>    container_name = string<br/>    container_port = number<br/>  }))</pre> | `[]` | no |
+| <a name="input_service_registries"></a> [service\_registries](#input\_service\_registries) | The service discovery registries for the service. The maximum number of service\_registries blocks is 1. The currently supported service registry is Amazon Route 53 Auto Naming Service - `aws_service_discovery_service`; see `service_registries` docs https://www.terraform.io/docs/providers/aws/r/ecs_service.html#service_registries-1 | <pre>list(object({<br/>    registry_arn   = string<br/>    port           = optional(number)<br/>    container_name = optional(string)<br/>    container_port = optional(number)<br/>  }))</pre> | `[]` | no |
 | <a name="input_stage"></a> [stage](#input\_stage) | ID element. Usually used to indicate role, e.g. 'prod', 'staging', 'source', 'build', 'test', 'deploy', 'release' | `string` | `null` | no |
 | <a name="input_system_controls"></a> [system\_controls](#input\_system\_controls) | A list of namespaced kernel parameters to set in the container, mapping to the --sysctl option to docker run. This is a list of maps: { namespace = "", value = ""} | `list(map(string))` | `null` | no |
 | <a name="input_tags"></a> [tags](#input\_tags) | Additional tags (e.g. `{'BusinessUnit': 'XYZ'}`).<br/>Neither the tag keys nor the tag values will be modified by this module. | `map(string)` | `{}` | no |