Add task definition example heading.

src/content/docs/infrastructure/elastic-container-service-integration/monitor-ecs-with-apm-agents.mdx

@@ -143,10 +143,12 @@ You can set up the infrastructure agent as a [sidecar container](https://docs.aw
         src="/images/service-map-screenshot-showing-language-and-infra-agent-in-fargate-env.png"
     />
 <figcaption>
-  This service map includes data surfaced from an APM agent with an infra agent sidecar  in a Fargate environment.
+  This service map includes data surfaced from an APM agent with an infra agent sidecar in a Fargate environment.
 </figcaption>
 
-To enable this feature, update your task file full task definition file. For example:
+## Example Task Definition File [#example-task-definition]
+
+To set up the language agent and infrastructure agent sidecar, update your full task definition file. For example:
 
 ```json
 {