diff --git a/etc/default/grub.d/40_distrust_cpu.cfg b/etc/default/grub.d/40_distrust_cpu.cfg
index f7610d3..5910d55 100644
--- a/etc/default/grub.d/40_distrust_cpu.cfg
+++ b/etc/default/grub.d/40_distrust_cpu.cfg
@@ -8,4 +8,5 @@
 ## https://twitter.com/pid_eins/status/1149649806056280069
 ## https://archive.nytimes.com/www.nytimes.com/interactive/2013/09/05/us/documents-reveal-nsa-campaign-against-encryption.html
 ## https://forums.whonix.org/t/entropy-config-random-trust-cpu-yes-or-no-rng-core-default-quality/8566
+## https://lkml.org/lkml/2022/6/5/271
 GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX random.trust_cpu=off"