diff --git a/.xkb/symbols/us-nulo b/.xkb/symbols/us-nulo
index 4f97a0a..2ea349b 100644
--- a/.xkb/symbols/us-nulo
+++ b/.xkb/symbols/us-nulo
@@ -1,4 +1,5 @@
 // /usr/share/X11/xkb/symbols/us
+// Thanks to https://unix.stackexchange.com/questions/591754/make-specific-key-sticky
 default partial alphanumeric_keys
 xkb_symbols "basic" {
 	include "us(altgr-intl)"