I18n: Update translation pt (100%).

301 translated messages.

Transifex (https://www.transifex.com/xfce/public/).

po/pt.po

@@ -13,7 +13,7 @@ msgstr ""
 "Project-Id-Version: Xfce Apps\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2020-12-27 00:47+0100\n"
-"PO-Revision-Date: 2021-02-10 15:59+0000\n"
+"PO-Revision-Date: 2021-09-04 23:22+0000\n"
 "Last-Translator: Hugo Carvalho <hugokarvalho@hotmail.com>\n"
 "Language-Team: Portuguese (http://www.transifex.com/xfce/xfce-apps/language/pt/)\n"
 "MIME-Version: 1.0\n"
@@ -471,7 +471,7 @@ msgstr "Preferências"
 
 #: ../data/interfaces/plugins.ui.h:6
 msgid "About"
-msgstr "Sobre"
+msgstr "Acerca"
 
 #: ../data/interfaces/save-playlist.ui.h:1
 msgid "Save Playlist as..."