diff --git a/html/index.html b/html/index.html
index 7b45def3f..11498ce37 100644
--- a/html/index.html
+++ b/html/index.html
@@ -3,7 +3,7 @@
 <head>
   <meta charset="utf-8">
   <meta name="viewport" content="width=device-width, initial-scale=1">
-  <title>RFC日本語訳一覧</title>
+  <title>RFC日本語訳一覧 - RFC Trans</title>
 
   
   <link rel="shortcut icon" type="image/x-icon" href="https://tex2e.github.io/rfc-translater/favicon.ico" />
diff --git a/templates/index.html b/templates/index.html
index 18288957b..690c4baba 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -4,9 +4,9 @@
   <meta charset="utf-8">
   <meta name="viewport" content="width=device-width, initial-scale=1">
   % if is_draft:
-  <title>RFC日本語訳一覧（Draft版）</title>
+  <title>RFC日本語訳一覧（Draft版） - RFC Trans</title>
   % else:
-  <title>RFC日本語訳一覧</title>
+  <title>RFC日本語訳一覧 - RFC Trans</title>
   % endif
 
   <%include file="head.html" />
