Fix docs for contour to use with AWS platform

Signed-off-by: knrt10 <kautilya@kinvolk.io>

docs/configuration-reference/components/contour.md

@@ -22,9 +22,7 @@ Currently the supported platform is Packet.
 
 ## Prerequisites
 
-* A Lokomotive cluster accessible via `kubectl` deployed on Packet.
-
-* [MetalLB component](metallb.md) installed and configured.
+* A Lokomotive cluster accessible via `kubectl`.
 
 ## Configuration
 
@@ -68,11 +66,11 @@ Table of all the arguments accepted by the component.
 Example:
 
 | Argument            | Description                                                                                             | Default        | Required |
-|---------------------|---------------------------------------------------------------------------------------------------------|:--------------:|:--------:|
+|---------------------|---------------------------------------------------------------------------------------------------------|:----------------:|:--------:|
 | `enable_monitoring` | Create Prometheus Operator configs to scrape Contour and Envoy metrics. Also deploys Grafana Dashboard. | false          | false    |
 | `ingress_hosts`     | [ExternalDNS component](external-dns.md) creates DNS entries from the values provided.                  | ""             | false    |
 | `node_affinity`     | Node affinity for deploying the operator pod and envoy daemonset.                                       | -              | false    |
-| `service_type`      | The type of Kubernetes service used to expose Envoy.                                                    | "LoadBalancer" | false    |
+| `service_type`      | The type of Kubernetes service used to expose Envoy. Set as "NodePort" on **aws** platform.             | "LoadBalancer" | false    |
 | `toleration`        | Tolerations that the operator and envoy pods will tolerate.                                             | -              | false    |
 
 ## Applying