diff --git a/sample/calc-ja.y b/sample/calc-ja.y
index 89c237de..9b288f90 100644
--- a/sample/calc-ja.y
+++ b/sample/calc-ja.y
@@ -1,7 +1,7 @@
 #
 #
 # A simple calculator, version 2.
-# This file contains Japanese characters (encoding=EUC-JP).
+# This file contains Japanese characters.
 
 class Calculator2
   prechigh
@@ -51,8 +51,8 @@ end
 
 ---- footer
 
-puts 'Ķ������� 2 �浡'
-puts 'Q �ǽ�λ���ޤ�'
+puts '超豪華電卓 2 号機'
+puts 'Q で終了します'
 calc = Calculator2.new
 while true
   print '>>> '; $stdout.flush