[simple-scan] Update Polish translation

[Piotr Drąg <piotrdrag src gnome org>]

commit 5059da37b439551b2615a9db44ec52e423b03c4a
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sun Feb 4 23:40:38 2018 +0100

    Update Polish translation

 help/pl/pl.po | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)
---
diff --git a/help/pl/pl.po b/help/pl/pl.po
index 2daf4a9..4c923d7 100644
--- a/help/pl/pl.po
+++ b/help/pl/pl.po
@@ -1,14 +1,14 @@
 # Polish translation for simple-scan help.
-# Copyright © 2017 the simple-scan authors.
-# This file is distributed under the same license as the simple-scan package.
-# Piotr Drąg <piotrdrag gmail com>, 2017.
-# Aviary.pl <community-poland mozilla org>, 2017.
+# Copyright © 2017-2018 the simple-scan authors.
+# This file is distributed under the same license as the simple-scan help.
+# Piotr Drąg <piotrdrag gmail com>, 2017-2018.
+# Aviary.pl <community-poland mozilla org>, 2017-2018.
 #
 msgid ""
 msgstr ""
 "Project-Id-Version: simple-scan-help\n"
-"POT-Creation-Date: 2017-09-11 03:50+0000\n"
-"PO-Revision-Date: 2017-09-20 04:44+0200\n"
+"POT-Creation-Date: 2017-12-06 20:21+0000\n"
+"PO-Revision-Date: 2018-02-04 23:40+0100\n"
 "Last-Translator: Piotr Drąg <piotrdrag gmail com>\n"
 "Language-Team: Polish <community-poland mozilla org>\n"
 "Language: pl\n"
@@ -22,8 +22,8 @@ msgstr ""
 msgctxt "_"
 msgid "translator-credits"
 msgstr ""
-"Piotr Drąg <piotrdrag gmail com>, 2017\n"
-"Aviary.pl <community-poland mozilla org>, 2017"
+"Piotr Drąg <piotrdrag gmail com>, 2017-2018\n"
+"Aviary.pl <community-poland mozilla org>, 2017-2018"
 
 #. (itstool) path: page/title
 #: C/adf.page:9
@@ -145,7 +145,7 @@ msgid ""
 "The cropping feature in <app>Simple Scan</app> allows you to use only a part "
 "of a scanned image. You can enable crop either before or after scanning a "
 "page, and you can always change the dimensions of the crop frame. When crop "
-"is enabled, a mask will apper over the current page with the area not being "
+"is enabled, a mask will appear over the current page with the area not being "
 "used shown in gray. You can enable crop and choose the desired dimensions "
 "via one of the following methods:"
 msgstr ""