[gnome-chess] Update Polish translation

[Piotr Drąg <piotrdrag src gnome org>]

commit cb28564926cf8e6ae8f8906f0b05a76be1090e2e
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Thu Feb 8 00:51:39 2018 +0100

    Update Polish translation

 help/pl/pl.po |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/help/pl/pl.po b/help/pl/pl.po
index 6089bce..91e2831 100644
--- a/help/pl/pl.po
+++ b/help/pl/pl.po
@@ -1,13 +1,13 @@
 # Polish translation for gnome-chess help.
 # Copyright © 2017 the gnome-chess authors.
-# This file is distributed under the same license as the gnome-chess package.
+# This file is distributed under the same license as the gnome-chess help.
 # Piotr Drąg <piotrdrag gmail com>, 2017.
 # Aviary.pl <community-poland mozilla org>, 2017.
 #
 msgid ""
 msgstr ""
 "Project-Id-Version: gnome-chess-help\n"
-"POT-Creation-Date: 2017-10-05 12:15+0000\n"
+"POT-Creation-Date: 2017-10-07 18:34+0000\n"
 "PO-Revision-Date: 2017-10-07 20:30+0200\n"
 "Last-Translator: Piotr Drąg <piotrdrag gmail com>\n"
 "Language-Team: Polish <community-poland mozilla org>\n"