diff --git a/Module:-xworkspaces.md b/Module:-xworkspaces.md
index 071cc1a..313221a 100644
--- a/Module:-xworkspaces.md
+++ b/Module:-xworkspaces.md
@@ -16,6 +16,8 @@ Not all atoms are required, but functionality may be limited if some of them are
 * `_NET_DESKTOP_NAMES`: `%name%`
 * `_NET_DESKTOP_VIEWPORT`: `pin-workspaces = true`
 
+You can check which atoms your window manager supports by running `xprop -root _NET_SUPPORTED`.
+
 ### Basic settings
 ```ini
 [module/ewmh]