diff --git a/wayland/sway-tiny/post-install b/wayland/sway-tiny/post-install
index 07a76815..80e8cc5e 100755
--- a/wayland/sway-tiny/post-install
+++ b/wayland/sway-tiny/post-install
@@ -13,6 +13,13 @@ NOTE: You must set XDG_RUNTIME_DIR in your shellrc
 
       export XDG_RUNTIME_DIR=/run/user/\$(id -u)
 
+NOTE: You must be the first to call DRMSetMaster.
+
+      If you cannot fulfil this requirement, you must
+      use the 'sway' package and run the 'seatd' daemon.
+
+      Another option is to setuid root the sway binary.
+
 NOTE: This is a fork of sway for KISS Linux. Send all
       bugs/issues to kisslinux/repo and NOT upstream.