some minor corrections about the SAM template

Author: hectorsector

responses/05_confirm-aws.md

@@ -8,12 +8,12 @@ Amazon S3 Buckets are a very flexible type of data storage -- they can be config
 
 ## Step 5: Confirm AWS S3 configuration
 
-### :keyboard: Activity: Create an AWS account by the following specifications, and confirm here
+### :keyboard: Activity: Create an S3 bucket
 
 1. Navigate to the [Amazon S3](https://s3.console.aws.amazon.com/s3/home) service and click on **Create bucket**.
     - See [_Create a Bucket_](https://docs.aws.amazon.com/AmazonS3/latest/gsg/CreatingABucket.html) on AWS documentation for the most detailed instructions.
 1. Name the bucket whatever you'd like, and jot the name down
-1. Select a region, and jot it down. You'll need it later. These examples use **us-west-2**. If you'd like to choose another region, make sure to update the `aws-config.yml` file to match.
+1. Select a region, and jot it down. You'll need it later. These examples use **US West (Oregon)**, also known as **us-west-2**. If you'd like to choose another region, make sure to update the `aws-config.yml` file to match.
 1. For all other options, accept the defaults.
 1. In `.github/aws-config.yml` on this branch, change the value of `s3_bucket:` to match your chosen bucket name. 
 1. In the same file, confirm that the `region:` value matches your chosen region for the S3 bucket.

responses/07_approve.md

@@ -12,7 +12,9 @@ Whenever you're using a GitHub Action, it's important to read the documentation.
 
 This file is a bit trickier. The template `aws-config.yml` file that was documented with the action has a placeholder for this template, but doesn't specify what we should do.
 
-In our case, we created the `sam-template.yml` for you. It contains information that's specific about the application source code in this repository. When we tell AWS to deploy, it wonders "Deploy _what_?". This file communicates which files should be deployed, and how, within our S3 bucket on AWS.
+This file is specific to deploying a serverless application to AWS. Specifically, an AWS SAM template tells AWS how to set up the application's architecture. Read more about it in [_AWS SAM Template Concepts_](https://docs.aws.amazon.com/serverless-application-model/latest/developerguide/serverless-sam-template-basics.html) in the AWS documentation.
+
+In our case, we created the `sam-template.yml` for you. It contains information that's specific about the application's endpoints and structure.
 
 ## Step 7: Approve the pull request