diff --git a/ext/tk/sample/resource.ja b/ext/tk/sample/resource.ja
index a61390f95d..59d4ffaf40 100644
--- a/ext/tk/sample/resource.ja
+++ b/ext/tk/sample/resource.ja
@@ -1,13 +1,13 @@
-!
+!
 !  see Tcl/Tk's "options" manual for "Database Name" and "Database Class"
 !
 *BtnFrame.borderWidth: 5
 *BtnFrame.relief: ridge
 *BtnFrame.Button.background: wheat
 *BtnFrame.Button.foreground: red
-*hello.text: ����ˤ���
-*quit.text: ��λ
+*hello.text: こんにちは
+*quit.text: 終了
 *BTN_CMD.show_msg: {|arg| print "($SAFE=#{$SAFE} >>>) ";\
-                          print "����ˤ��ϡ��� #{arg} �Υ���ץ�Ǥ���";\
+                          print "こんにちは！！ #{arg} のサンプルです．";\
                           print "(<<< $SAFE=#{$SAFE})\n"}
-*BTN_CMD.bye_msg:  {print "($SAFE=#{$SAFE} >>>) ���褦�ʤ顥(<<< $SAFE=#{$SAFE})\n"}
+*BTN_CMD.bye_msg:  {print "($SAFE=#{$SAFE} >>>) さようなら．(<<< $SAFE=#{$SAFE})\n"}