**To change an application version's description** The following command updates the description of an application version named ``22a0-stage-150819_185942``:: aws elasticbeanstalk update-application-version --version-label 22a0-stage-150819_185942 --application-name my-app --description "new description" Output:: { "ApplicationVersion": { "ApplicationName": "my-app", "VersionLabel": "22a0-stage-150819_185942", "Description": "new description", "DateCreated": "2015-08-19T18:59:17.646Z", "DateUpdated": "2015-08-20T22:53:28.871Z", "SourceBundle": { "S3Bucket": "elasticbeanstalk-us-west-2-0123456789012", "S3Key": "my-app/22a0-stage-150819_185942.war" } } }