Merge pull request #143 from porter-dev/dgtown/updated-aws-credentials

chore: update docs with new aws provisioning flow

Author: d-g-town

images/provisioning-infrastructure/aws-credentials.webp

@@ -18,7 +18,7 @@ This eliminates the need to rely on static AWS credentials and makes it easier t
    You can find your Account ID at the top right corner of your [AWS console](https://console.aws.amazon.com).
    Input your Account ID and click on **Grant Permissions**.
 
-![Cloud Formation 3 steps](/images/provisioning-infrastructure/cloud-formation-3-steps.png)
+![Cloud Formation 3 steps](/images/provisioning-infrastructure/aws-credentials.webp)
 
 2. You will be directed to your AWS console to create a CloudFormation stack. If this window did not appear, please ensure that your browser has not blocked the pop-up window. This stack will create the role Porter will assume to manage your infrastructure.
    Scroll to the bottom of the screen. Check the "I acknowledge..." box and click on **Create Stack**. It may take a few minutes for the role to be fully created. After creation you can proceed to selecting provisioning settings.
@@ -34,7 +34,7 @@ This eliminates the need to rely on static AWS credentials and makes it easier t
   smaller in scope.{" "}
 </Info>
 
-3. After creating the role, navigate back to the Porter dashboard and click **Continue**. You will be prompted to select the AWS region that you want to provision your infrastructure in.
+3. After creating the CloudFormation stack, Porter will automatically create additional resources required to manage your account. Once this process complete, click **Continue**. You will be prompted to select the AWS region that you want to provision your infrastructure in.
    Porter supports all AWS regions.
 
 ![select-region](/images/provisioning-infrastructure/select-region.png)