diff --git a/.config/i3/i3blocks.conf b/.config/i3/i3blocks.conf
index 124d550..39d7e05 100644
--- a/.config/i3/i3blocks.conf
+++ b/.config/i3/i3blocks.conf
@@ -140,6 +140,8 @@ interval=1
 # display keyboard layout name
 # for keyboard layouts switcher
 # see i3 config file
+# this needs xkblayout-state installed from the AUR:
+# https://aur.archlinux.org/packages/xkblayout-state-git
 #[keyboard-layout]
 #command=~/.config/i3/scripts/keyboard-layout
 #interval=2