Update high-availability-keepalived.md

Co-authored-by: Mike Jang <[email protected]>

Author: MV1205

content/nginx/deployment-guides/amazon-web-services/high-availability-keepalived.md

@@ -219,9 +219,7 @@ HA_NODE_2=<value>
 ALLOCATION_ID=<value>
 - `AWS_ACCESS_KEY_ID` and `AWS_SECRET_ACCESS_KEY` – The credentials for accessing the AWS API. Set them only when an IAM instance profile isn’t used. Otherwise, delete the corresponding two lines.
 - `AWS_DEFAULT_REGION` – The AWS region of your deployment.
-
 - `HA_NODE_1` and `HA_NODE_2` – The internal or private DNS names of the two NGINX Plus instances.
-
 - `ALLOCATION_ID` – The ID of the allocated Elastic IP address.
 
 <span id="ha-aws_testing"></span>