src/jdk.jpackage/share/classes/jdk/jpackage/internal/resources/HelpResources_ja.properties
--- a/src/jdk.jpackage/share/classes/jdk/jpackage/internal/resources/HelpResources_ja.properties Mon Aug 19 17:34:40 2019 -0400
+++ b/src/jdk.jpackage/share/classes/jdk/jpackage/internal/resources/HelpResources_ja.properties Mon Aug 19 17:39:48 2019 -0400
@@ -246,6 +246,9 @@
\ 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\