**To modify a cache subnet group** The following ``modify-cache-subnet-group`` example modifies the specified cache subnet group. :: aws elasticache modify-cache-subnet-group \ --cache-subnet-group-name kxkxk \ --cache-subnet-group-description "mygroup" Output:: { "CacheSubnetGroup": { "CacheSubnetGroupName": "kxkxk", "CacheSubnetGroupDescription": "mygroup", "VpcId": "vpc-xxxxcdb", "Subnets": [ { "SubnetIdentifier": "subnet-xxxxbff", "SubnetAvailabilityZone": { "Name": "us-west-2a" } } ] } } For more information, see `Modifying a Subnet Group <https://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/SubnetGroups.Modifying.html>`__ in the *Elasticache User Guide*.