Clarify xrandr and de compatibility a little bit more

Signed-off-by: Alexis Maiquez <almamu@almamu.com>

README.md

@@ -119,7 +119,7 @@ Where `/home/almamu/Development/backgrounds/1845706469/` is the background's pat
 ### 5.5.3. Running as a screen's background
 Only screens configured with the XRandr extension are supported. To specify the screen names (as reported from xrandr tool) just use the ```--screen-root``` switch. You can specify multiple screens at the same time, for example:
 
-**IMPORTANT: Right now this doesn't work if there is anything drawing to the background (like a compositor, nautilus, etc)**
+**IMPORTANT: Right now this doesn't work if there is anything drawing to the background (like a compositor, gnome, kde, nautilus, etc)**
 
 ```
 ./linux-wallpaperengine --screen-root HDMI-1 --screen-root DVI-D-1 /home/almamu/Development/backgrounds/1845706469/