fix(serverless): changed intro

src/content/docs/serverless-function-monitoring/aws-lambda-monitoring/enable-lambda-monitoring/containerized-images.mdx

@@ -4,7 +4,7 @@ metaDescription: A guide for instrumenting your containerized image layer with N
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-If you're using a containerized image for Lambda, you'll want to add New Relic to your code. After you add our pre-built layer to your image, you'll need to push the image to your AWS Elastic Container Registry. From there, whenever you run your function, New Relic will run, too. 
+If you're using a containerized image for Lambda and you monitor your app, you'll want to add New Relic to your code. After you add our pre-built layer to your image, you'll need to push the image to your AWS Elastic Container Registry. From there, whenever you run your function, New Relic will run, at the same time. 
 
 Here's a guide to adding our pre-built layer to your code.