Black line with documents and other folders

Whenever i open documents or any other windows folder, i get this black line that says ”documents”, i want that line gone, but i do not know how, any help?
like in here:

Answer #1

You see that line because you are viewing a group folder in a library. You can’t remove it from there. If you don’t want to see it then browse to the folder you want via the HDD file system.