README-jp.adoc in asciidoctor-2.0.0.rc.3 vs README-jp.adoc in asciidoctor-2.0.0

@@ -1,8 +1,8 @@
 = Asciidoctor
 Dan Allen <https://github.com/mojavelinux[@mojavelinux]>; Sarah White <https://github.com/graphitefriction[@graphitefriction]>; Ryan Waldron <https://github.com/erebor[@erebor]>
-v2.0.0.rc.3, 2019-03-21
+v2.0.0, 2019-03-22
 // settings:
 :page-layout: base
 :idprefix:
 :idseparator: -
 :source-language: ruby
@@ -16,11 +16,11 @@
 :note-caption: :paperclip:
 :tip-caption: :bulb:
 :warning-caption: :warning:
 endif::[]
 // Variables:
-:release-version: 2.0.0.rc.3
+:release-version: 2.0.0
 // URIs:
 :uri-org: https://github.com/asciidoctor
 :uri-repo: {uri-org}/asciidoctor
 :uri-asciidoctorj: {uri-org}/asciidoctorj
 :uri-asciidoctorjs: {uri-org}/asciidoctor.js
@@ -121,9 +121,10 @@
 
 AsciidoctorはLinux, OS X (Mac)とWindowsで動き, 下記の {uri-ruby}[Ruby]実装の一つを必要とします.
 
 * CRuby (aka MRI) 2.3 - 2.6
 * JRuby 9.1 - 9.2
+* TruffleRuby (GraalVM)
 * Opal (JavaScript)
 
 [CAUTION]
 ====
 もし非英語環境のWindowsを使っているなら, Asciidoctorを起動した時に `Encoding::UndefinedConversionError` に遭遇するでしょう.