diff --git a/etc/modprobe.d/30_security-misc.conf b/etc/modprobe.d/30_security-misc.conf
index 7acdb74..cda71ad 100644
--- a/etc/modprobe.d/30_security-misc.conf
+++ b/etc/modprobe.d/30_security-misc.conf
@@ -57,6 +57,7 @@ install can /bin/disabled-network-by-security-misc
 install atm /bin/disabled-network-by-security-misc
 
 ## Disable uncommon file systems to reduce attack surface
+## HFS and HFS+ are legacy Apple filesystems that may be required depending of the EFI parition format
 install cramfs /bin/disabled-filesys-by-security-misc
 install freevxfs /bin/disabled-filesys-by-security-misc
 install jffs2 /bin/disabled-filesys-by-security-misc