--- a/src/jdk.jlink/share/classes/jdk/tools/jlink/resources/plugins.properties	Thu Apr 25 17:27:37 2019 +0100
+++ b/src/jdk.jlink/share/classes/jdk/tools/jlink/resources/plugins.properties	Thu Mar 14 14:04:39 2019 +0100
@@ -209,6 +209,7 @@
 err.provider.not.functional=The provider {0} is not functional.
 
 err.plugin.mutiple.options=More than one plugin enabled by {0} option
+err.plugin.conflicts={0} ({1}) conflicts with {2}. Please use one or the other, but not both.
 err.provider.additional.arg.error=Error in additional argument specification in {0} option: {1}
 
 err.no.plugins.path=No plugins path argument.