diff -r 2b9cc0e5e79f -r 00898a596f31 jdk/src/jdk.jartool/share/classes/sun/tools/jar/resources/jar.properties
--- a/jdk/src/jdk.jartool/share/classes/sun/tools/jar/resources/jar.properties	Thu Mar 16 08:58:31 2017 -0700
+++ b/jdk/src/jdk.jartool/share/classes/sun/tools/jar/resources/jar.properties	Thu Mar 16 16:56:08 2017 +0000
@@ -45,7 +45,7 @@
 	'e' flag and manifest with the 'Main-Class' attribute cannot be specified \n\
 	 together!
 error.bad.dflag=\
-        '-d, --print-module-descriptor' option requires no input file(s) to be specified: {0}
+        '-d, --describe-module' option requires no input file(s) to be specified: {0}
 error.bad.reason=\
         bad reason: {0}, must be one of deprecated, deprecated-for-removal, or incubating
 error.nosuch.fileordir=\
@@ -62,6 +62,8 @@
         Hashing module {0} dependences, unable to find module {1} on module path
 error.module.options.without.info=\
         One of --module-version or --hash-modules without module-info.class
+error.unable.derive.automodule=\
+        Unable to derive module descriptor for: {0}
 error.unexpected.module-info=\
         Unexpected module descriptor {0}
 error.module.descriptor.not.found=\
@@ -129,6 +131,8 @@
         added manifest
 out.added.module-info=\
         added module-info: {0}
+out.automodule=\
+        No module descriptor found. Derived automatic module.
 out.update.manifest=\
         updated manifest
 out.update.module-info=\
@@ -224,8 +228,8 @@
 \  -u, --update               Update an existing jar archive
 main.help.opt.main.extract=\
 \  -x, --extract              Extract named (or all) files from the archive
-main.help.opt.main.print-module-descriptor=\
-\  -d, --print-module-descriptor  Print the module descriptor
+main.help.opt.main.describe-module=\
+\  -d, --describe-module      Print the module descriptor, or automatic module name
 main.help.opt.any=\
 \ Operation modifiers valid in any mode:\n\
 \n\