update-compute-environment.rst

**To update a compute environment**

This example disables the `P2OnDemand` compute environment so it can be deleted.

Command::

  aws batch update-compute-environment --compute-environment P2OnDemand --state DISABLED

Output::

	{
	    "computeEnvironmentName": "P2OnDemand",
	    "computeEnvironmentArn": "arn:aws:batch:us-east-1:012345678910:compute-environment/P2OnDemand"
	}