Constant UPDATE_EXAMPLES 

pub const UPDATE_EXAMPLES: &str = "\
EXAMPLES:
  devp update                     Version, latest release, upgrade command, then [y/N]
  devp update -y                  The same, answering the prompt with yes
  devp update --install           Upgrade now, without the version report
  devp update --channels          Every channel's upgrade command, no network
  devp update --offline           No network this run";