/usr/share/help-langpack/pl/brasero/ is in language-pack-gnome-pl-base 1:14.04+20140410.
This file is owned by root:root, with mode 0o755.
..
/usr/share/help-langpack/pl/brasero/create-cover.page
/usr/share/help-langpack/pl/brasero/index.page
/usr/share/help-langpack/pl/brasero/introduction.page
/usr/share/help-langpack/pl/brasero/prob-cd.page
/usr/share/help-langpack/pl/brasero/prob-dvd.page
/usr/share/help-langpack/pl/brasero/project-audio.page
/usr/share/help-langpack/pl/brasero/project-data.page
/usr/share/help-langpack/pl/brasero/project-disc-copy.page
/usr/share/help-langpack/pl/brasero/project-image-burn.page
/usr/share/help-langpack/pl/brasero/project-save.page
/usr/share/help-langpack/pl/brasero/project-video.page
/usr/share/help-langpack/pl/brasero/split-track.page
/usr/share/help-langpack/pl/brasero/tools-blank.page
/usr/share/help-langpack/pl/brasero/tools-check-integrity.page