diff -Nru ubuntu-defaults-ja-15.04/debian/changelog ubuntu-defaults-ja-15.04/debian/changelog
--- ubuntu-defaults-ja-15.04/debian/changelog	2015-04-26 05:18:43.000000000 +0000
+++ ubuntu-defaults-ja-15.04/debian/changelog	2015-04-26 07:47:13.000000000 +0000
@@ -1,3 +1,10 @@
+ubuntu-defaults-ja (15.04-0ubuntu1~ja6) vivid; urgency=medium
+
+  * ubiquity-slideshow/slides/ja_JP/welcome.html
+      change version string 14.10 to 15.04.
+
+ -- Jun Kobayashi <jkbys@ubuntu.com>  Sun, 26 Apr 2015 16:44:53 +0900
+
 ubuntu-defaults-ja (15.04-0ubuntu1~ja5) vivid; urgency=medium
 
   * depends.txt: Refreshed dependencies:
diff -Nru ubuntu-defaults-ja-15.04/ubiquity-slideshow/slides/ja_JP/welcome.html ubuntu-defaults-ja-15.04/ubiquity-slideshow/slides/ja_JP/welcome.html
--- ubuntu-defaults-ja-15.04/ubiquity-slideshow/slides/ja_JP/welcome.html	2015-04-26 05:18:43.000000000 +0000
+++ ubuntu-defaults-ja-15.04/ubiquity-slideshow/slides/ja_JP/welcome.html	2015-04-26 07:30:43.000000000 +0000
@@ -1,4 +1,4 @@
-<div class="header"><h1 class="slidetitle">Ubuntu 14.10へようこそ</h1></div>
+<div class="header"><h1 class="slidetitle">Ubuntu 15.04へようこそ</h1></div>
 
 <div class="main wide">