update the documentation

Author: tabito-hara

website/docs/r/ecs_service.html.markdown

@@ -129,7 +129,7 @@ The following arguments are optional:
 * `region` - (Optional) Region where this resource will be [managed](https://docs.aws.amazon.com/general/latest/gr/rande.html#regional-endpoints). Defaults to the Region set in the [provider configuration](https://registry.terraform.io/providers/hashicorp/aws/latest/docs#aws-configuration-reference).
 * `alarms` - (Optional) Information about the CloudWatch alarms. [See below](#alarms).
 * `availability_zone_rebalancing` - (Optional) ECS automatically redistributes tasks within a service across Availability Zones (AZs) to mitigate the risk of impaired application availability due to underlying infrastructure failures and task lifecycle activities. The valid values are `ENABLED` and `DISABLED`. Defaults to `DISABLED`.
-* `capacity_provider_strategy` - (Optional) Capacity provider strategies to use for the service. Can be one or more. These can be updated without destroying and recreating the service only if `force_new_deployment = true` and not changing from 0 `capacity_provider_strategy` blocks to greater than 0, or vice versa. [See below](#capacity_provider_strategy). Conflicts with `launch_type`.
+* `capacity_provider_strategy` - (Optional) Capacity provider strategies to use for the service. Can be one or more. Updating this argument requires `force_new_deployment = true`. [See below](#capacity_provider_strategy). Conflicts with `launch_type`.
 * `cluster` - (Optional) ARN of an ECS cluster.
 * `deployment_circuit_breaker` - (Optional) Configuration block for deployment circuit breaker. [See below](#deployment_circuit_breaker).
 * `deployment_configuration` - (Optional) Configuration block for deployment settings. [See below](#deployment_configuration).