diff --git a/locale/pl-PL/treestyletab/license.txt b/locale/pl-PL/treestyletab/license.txt
index 82434f2f..33a8751c 100644
--- a/locale/pl-PL/treestyletab/license.txt
+++ b/locale/pl-PL/treestyletab/license.txt
@@ -18,6 +18,7 @@ Portions created by the Initial Developer are Copyright (C) 2009
 the Initial Developer. All Rights Reserved.
 
 Contributor(s): Andrzej Pasterczyk <andrzej.pasterczyk@googlemail.com>
+                SHIMODA Hiroshi <piro@p.club.ne.jp>
 
 Alternatively, the contents of this file may be used under the terms of
 either the GNU General Public License Version 2 or later (the "GPL"), or
diff --git a/locale/pl-PL/treestyletab/treestyletab.dtd b/locale/pl-PL/treestyletab/treestyletab.dtd
index a76ab8db..bb5adf73 100644
--- a/locale/pl-PL/treestyletab/treestyletab.dtd
+++ b/locale/pl-PL/treestyletab/treestyletab.dtd
@@ -3,7 +3,7 @@
 
 <!ENTITY config.tabs.appearance "Wygląd">
 
-<!ENTITY config.tabbar.scroll.smooth "Płynnie przewijaj pasek kart">
+<!ENTITY config.animation.enabled "Włączanie efektów animacji">
 
 <!ENTITY config.tabbar.position.caption "Pozycja paska kart">
 <!ENTITY config.tabbar.position.left    "Lewo">