-An Amazon Machine Image (AMI) provides the information required to launch an
-instance. CSIT is using Amazon EBS where the root device for an instance
-launched from the AMI is an Amazon Elastic Block Store (Amazon EBS) volume
-created from an Amazon EBS snapshot.
+An :abbr:`AMI (Amazon Machine Image)` provides the information required to
+launch an instance. CSIT is using Amazon :abbr:`EBS (Elastic Block Store)` where
+the root device for an instance launched from the AMI is a volume created from
+an Amazon EBS snapshot.