Why my desktop displays location path of the chosen image? Without doing anything specific I have suddenly the location path of the desktop image written on my desktop like

(3)/System/Library/CoreServices/DefaultDesktop.jpg

On my 2nd Monitor it says
(6)/System/Library and so forth.

Its not clickable, changing the desktop image is changing the written path, but not the mentioning itself.


Any ideas?
My System
MBP 13" Mid 2018, (4 TB3 Ports and TouchBar)
2,7 GHz IC i7
16 B 2133 MHz LPDDR3
Intel Iris Plus Graphics 655 1536 MB
macOS High Sierra, 10.13.6 w/ security update 2020-003
I don't know how you got this turned on accidentally, but you can remove it by entering these two lines in Terminal.app:

defaults delete com.apple.dock desktop-picture-show-debug-text

killall Dock