Refine the comments

builder/amazon/ebs/step_create_ami.go

@@ -34,7 +34,6 @@ func (s *stepCreateAMI) Run(state multistep.StateBag) multistep.StepAction {
 		return multistep.ActionHalt
 	}
 
-	// Set the AMI ID in the state
 	imagesResp, err := ec2conn.Images([]string{createResp.ImageId}, nil)
 	if err != nil {
 		err := fmt.Errorf("Error searching for AMI: %s", err)
@@ -43,6 +42,8 @@ func (s *stepCreateAMI) Run(state multistep.StateBag) multistep.StepAction {
 		return multistep.ActionHalt
 	}
 	s.image = &imagesResp.Images[0]
+
+	// Set the AMI ID in the state
 	ui.Message(fmt.Sprintf("AMI: %s", createResp.ImageId))
 	amis := make(map[string]string)
 	amis[ec2conn.Region.Name] = createResp.ImageId