--- a/src/jdk.internal.opt/share/classes/jdk/internal/joptsimple/UnrecognizedOptionException.java	Wed Jun 06 13:06:21 2018 +0100
+++ b/src/jdk.internal.opt/share/classes/jdk/internal/joptsimple/UnrecognizedOptionException.java	Wed Jun 06 15:36:29 2018 +0200
@@ -31,7 +31,7 @@
  *
  * The MIT License
  *
- * Copyright (c) 2004-2014 Paul R. Holser, Jr.
+ * Copyright (c) 2004-2015 Paul R. Holser, Jr.
  *
  * Permission is hereby granted, free of charge, to any person obtaining
  * a copy of this software and associated documentation files (the
@@ -70,7 +70,7 @@
     }
 
     @Override
-    public String getMessage() {
-        return singleOptionMessage() + " is not a recognized option";
+    Object[] messageArguments() {
+        return new Object[] { singleOptionString() };
     }
 }