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

@@ -240,11 +240,8 @@ The command outputs `STATE=MASTER` on the primary instance and `STATE=BACKUP` ot
 You can simulate the failure of the primary by stopping the `keepalived` daemon:
 
 ```shell
-
 sudo service keepalived stop
 
-```
-
 Check the state on the backup instance, confirming that it has transitioned to `MASTER`. In the AWS Console, the Elastic IP address is now associated with the new primary instance.
 
 <span id="ha-aws_troubleshooting"></span>