diff --git a/index.adoc b/index.adoc
index fa3a3a61..db9a5b43 100644
--- a/index.adoc
+++ b/index.adoc
@@ -1,4 +1,6 @@
-= Trema本
+= TremaでOpenFlowプログラミング
+高宮 安仁 <yasuhito@gmail.com>; 鈴木 一哉; 松井 暢之; 村木 暢哉; 山崎 泰宏
+:revnumber: {revnumber}
 
 :leveloffset: 1
 
diff --git a/tasks/html.rake b/tasks/html.rake
index 42f18889..e6e539d2 100644
--- a/tasks/html.rake
+++ b/tasks/html.rake
@@ -6,6 +6,12 @@ task html: 'index.html'
 
 # rubocop:disable LineLength
 file 'index.html' => ['index.adoc', 'how_does_openflow_work.adoc', 'hello_trema.adoc'] do |t|
-  sh "bundle exec asciidoctor -a icons=font -a toc=left -a source-highlighter=coderay -d book index.adoc --out-file #{t.name}"
+  revnumber = `git describe --abbrev=0`.chomp
+  sh %W(bundle exec asciidoctor
+        -a revnumber=#{revnumber}
+        -a icons=font
+        -a toc=left
+        -a source-highlighter=coderay
+        -d book index.adoc --out-file #{t.name}).join(' ')
 end
 # rubocop:enable LineLength