--- a/src/jdk.internal.opt/share/classes/jdk/internal/joptsimple/AlternativeLongOptionSpec.java	Wed Jun 06 13:06:21 2018 +0100
+++ b/src/jdk.internal.opt/share/classes/jdk/internal/joptsimple/AlternativeLongOptionSpec.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
@@ -55,26 +55,40 @@
 
 package jdk.internal.joptsimple;
 
+import jdk.internal.joptsimple.internal.Messages;
+
+import java.util.Locale;
+
 import static java.util.Collections.*;
 
 import static jdk.internal.joptsimple.ParserRules.*;
 
 /**
- * Represents the <kbd>"-W"</kbd> form of long option specification.
+ * Represents the {@code "-W"} form of long option specification.
  *
  * @author <a href="mailto:pholser@alumni.rice.edu">Paul Holser</a>
  */
 class AlternativeLongOptionSpec extends ArgumentAcceptingOptionSpec<String> {
     AlternativeLongOptionSpec() {
-        super( singletonList( RESERVED_FOR_EXTENSIONS ), true, "Alternative form of long options" );
+        super( singletonList( RESERVED_FOR_EXTENSIONS ),
+            true,
+            Messages.message(
+                Locale.getDefault(),
+                "jdk.internal.joptsimple.HelpFormatterMessages",
+                AlternativeLongOptionSpec.class,
+                "description" ) );
 
-        describedAs( "opt=value" );
+        describedAs( Messages.message(
+            Locale.getDefault(),
+            "jdk.internal.joptsimple.HelpFormatterMessages",
+            AlternativeLongOptionSpec.class,
+            "arg.description" ) );
     }
 
     @Override
     protected void detectOptionArgument( OptionParser parser, ArgumentList arguments, OptionSet detectedOptions ) {
         if ( !arguments.hasMore() )
-            throw new OptionMissingRequiredArgumentException( options() );
+            throw new OptionMissingRequiredArgumentException( this );
 
         arguments.treatNextAsLongOption();
     }