src/jdk.jpackage/share/classes/jdk/jpackage/internal/resources/HelpResources.properties

*** 248,257 ****
--- 248,260 ----
  MSG_Help_linux_install=\
  \  --linux-bundle-name <bundle name>\n\
  \          Name for Linux bundle, defaults to the application name\n\
  \  --linux-deb-maintainer <email address>\n\
  \          Maintainer for .deb bundle\n\
+ \  --linux-deb-copyright-file <file path>\n\
+ \          Path to custom copyright file for Debian packaging\n\
+ \          (absolute path or relative to the current directory)\n\
  \  --linux-menu-group <menu-group-name>\n\
  \          Menu group this application is placed in\n\
  \  --linux-package-deps\n\
  \          Required packages or capabilities for the application\n\
  \  --linux-rpm-license-type <type string>\n\