updated docs for aws_ecs_task_definition to avoid confusion

website/source/docs/providers/aws/r/ecs_task_definition.html.markdown

@@ -12,6 +12,8 @@ Provides an ECS task definition to be used in `aws_ecs_service`.
 
 ## Example Usage
 
+### jenkins.tf
+
 ```
 resource "aws_ecs_task_definition" "jenkins" {
   family = "jenkins"
@@ -24,12 +26,34 @@ resource "aws_ecs_task_definition" "jenkins" {
 }
 ```
 
+### task-definitions/jenkins.json
+
+This is a small subset of the available parameters, see the [AWS docs](http://docs.aws.amazon.com/AmazonECS/latest/developerguide/task_definition_parameters.html) for a full list.
+
+```
+[
+  {
+    "name": "jenkins",
+    "image": "jenkins",
+    "cpu": 10,
+    "memory": 500,
+    "essential": true,
+    "portMappings": [
+      {
+        "containerPort": 80,
+        "hostPort": 80
+      }
+    ]
+  }
+]
+```
+
 ## Argument Reference
 
 The following arguments are supported:
 
 * `family` - (Required) The family, unique name for your task definition.
-* `container_definitions` - (Required) A list of container definitions in JSON format. See [AWS docs](http://docs.aws.amazon.com/AmazonECS/latest/developerguide/task_defintions.html) for syntax.
+* `container_definitions` - (Required) A list of container definitions in JSON format. See [AWS docs](http://docs.aws.amazon.com/AmazonECS/latest/developerguide/create-task-definition.html) for syntax. Note, you only need the containerDefinitions array contents, not the parent hash including the family and volumes keys.
 * `volume` - (Optional) A volume block. Volumes documented below.
 
 Volumes support the following: