boto/boto — pull request #1418 by sukrit007 (2013-04-01 19:06:32+00:00)
Title: Fix for Issue#1417

As per :
http://docs.aws.amazon.com/ElasticLoadBalancing/latest/DeveloperGuide/USVPC_DetachSubnet.html

The API call should be "DetachLoadBalancerFromSubnets" and not "DettachLoadBalancerFromSubnets"