diff --git a/usr/libexec/security-misc/mmap-rnd-bits b/usr/libexec/security-misc/mmap-rnd-bits
index cea1367..b688b9e 100755
--- a/usr/libexec/security-misc/mmap-rnd-bits
+++ b/usr/libexec/security-misc/mmap-rnd-bits
@@ -5,6 +5,8 @@
 
 ## This script enforces the maximum ASLR hardening settings for mmap, given the
 ## installed Linux config.
+## See also:
+## https://forums.whonix.org/t/automate-mmap-randomisation-to-fix-ppc64el/16514
 
 set -euo pipefail
 shopt -s failglob