Spot and the Hibernate Agent added to README.md

README.md

@@ -224,6 +224,11 @@ Service:
 
 The AWS SSM Run Command function, in the EC2 console, can be used to execute commands at the shell on the ECS instances. These can be helpful for examining the installed configuration of the instances without requiring direct access to them.
 
+### Spot Instances and the Hibernate Agent.
+
+In order to use Spot with this template, you will need to enable ```SpotPrice``` under the ```AWS::AutoScaling::LaunchConfiguration``` or add in ```AWS::EC2::SpotFleet``` support.  To fully use Hibernation with Spot instances, please review [Spot Instance Interruptions](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/spot-interruptions.html).
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 ### Add a new item to this list
 
 If you found yourself wishing this set of frequently asked questions had an answer for a particular problem, please [submit a pull request](https://help.github.com/articles/creating-a-pull-request-from-a-fork/). The chances are that others will also benefit from having the answer listed here.