diff --git a/_gtfobins/xdotool.md b/_gtfobins/xdotool.md
index ecbe6c7..91a2182 100644
--- a/_gtfobins/xdotool.md
+++ b/_gtfobins/xdotool.md
@@ -1,4 +1,5 @@
 ---
+description: This requires a running X server.
 functions:
   shell:
     - code: xdotool exec --sync /bin/sh