--- a/src/jdk.jpackage/share/classes/jdk/jpackage/internal/resources/HelpResources.properties	Tue Mar 26 08:54:43 2019 -0400
+++ b/src/jdk.jpackage/share/classes/jdk/jpackage/internal/resources/HelpResources.properties	Tue Mar 26 08:57:28 2019 -0400
@@ -166,7 +166,7 @@
 \          The format must be a DNS name in reverse order,\n\
 \          such as com.example.myapplication.\n\
 \  --install-dir <file path>\n\
-\          Absolute path of the installation directory of the application\n\
+\          {4}\
 \  --installer-type <type> \n\
 \          The type of the installer to create\n\
 \          Valid values are: {1} \n\
@@ -215,6 +215,9 @@
 \  --win-upgrade-uuid <id string>\n\
 \          UUID associated with upgrades for this package\n\
 
+MSG_Help_win_install_dir=\
+\Relative sub-path under the default installation location\n\
+
 MSG_Help_mac_install=\
 \  --mac-bundle-identifier <ID string>\n\
 \          An identifier that uniquely identifies the application for MacOSX\n\
@@ -253,6 +256,14 @@
 \  --linux-rpm-license-type <type string>\n\
 \          Type of the license ("License: <value>" of the RPM .spec)\n\
 
+MSG_Help_mac_linux_install_dir=\
+\Absolute path of the installation directory of the application\n\
+
+MSG_Help_default_install_dir=\
+\Absolute path of the installation directory of the application on OS X\n\
+\          or Linux. Relative sub-path of the installation location of the application\n\
+\          such as "Program Files" or "AppData" on Windows.\n\
+
 MSG_Help_no_args=Usage: jpackage <mode> <options>\n\
 \Use jpackage --help (or -h) for a list of possible options\