[gxml] Update Polish translation

[Piotr Drąg <piotrdrag src gnome org>]

commit 222325c121d3f441528c98567e21497fcc8c68b1
Author: Piotr Drąg <piotrdrag gmail com>
Date:   Sun May 31 14:01:14 2020 +0200

    Update Polish translation

 po/pl.po | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/po/pl.po b/po/pl.po
index 70cf83f..c03308a 100644
--- a/po/pl.po
+++ b/po/pl.po
@@ -8,8 +8,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: gxml\n"
 "Report-Msgid-Bugs-To: https://gitlab.gnome.org/GNOME/gxml/issues\n";
-"POT-Creation-Date: 2020-03-01 13:25+0000\n"
-"PO-Revision-Date: 2020-03-01 15:27+0100\n"
+"POT-Creation-Date: 2020-05-26 23:03+0000\n"
+"PO-Revision-Date: 2020-05-31 14:01+0200\n"
 "Last-Translator: Piotr Drąg <piotrdrag gmail com>\n"
 "Language-Team: Polish <community-poland mozilla org>\n"
 "Language: pl\n"
@@ -655,7 +655,7 @@ msgstr "Nieprawidłowy dokument: nieoczekiwany znak „%c”"
 
 #: gxml/StreamReader.vala:132
 #, c-format
-msgid "Parent '%s' is not implemeting GXml.Object interface"
+msgid "Parent '%s' is not implementing GXml.Object interface"
 msgstr "Element nadrzędny „%s” nie implementuje interfejsu GXml.Object"
 
 #: gxml/TokenList.vala:54