"Then, either select the folder and then click the \menu{gears} button in the upper-right of the window and choose \menu{Properties}, or right-click on the file or folder and select \menu{Properties}."
==> "Then, either select the menu \menu{Files} and choose \menu{Properties}, or right-click on the file or folder and select \menu{Properties}."
Same problem in advanced- topics. tex:
"Then, either select the folder and then click the \menu{gears} button in the upper-right of the window and choose \menu{Properties}, or right-click on the file or folder and select \menu{Properties}."
==> "Then, either select the menu \menu{Files} and choose \menu{Properties}, or right-click on the file or folder and select \menu{Properties}."