/usr/share/help/de/ is in mate-netspeed-common 1.12.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/help/de/mate-netspeed-applet/
/usr/share/help/de/mate-netspeed-applet/figures/
/usr/share/help/de/mate-netspeed-applet/figures/details.png
/usr/share/help/de/mate-netspeed-applet/figures/eth_sum_48.png
/usr/share/help/de/mate-netspeed-applet/figures/ethernet.png
/usr/share/help/de/mate-netspeed-applet/figures/loopback.png
/usr/share/help/de/mate-netspeed-applet/figures/netspeed_applet.png
/usr/share/help/de/mate-netspeed-applet/figures/plip.png
/usr/share/help/de/mate-netspeed-applet/figures/ppp.png
/usr/share/help/de/mate-netspeed-applet/figures/settings.png
/usr/share/help/de/mate-netspeed-applet/figures/wavelan.png
/usr/share/help/de/mate-netspeed-applet/index.docbook
/usr/share/help/de/mate-netspeed-applet/legal.xml