diff --git a/doc/mkinitfs.1.scd b/doc/mkinitfs.1.scd
index 83d88a4..81c10be 100644
--- a/doc/mkinitfs.1.scd
+++ b/doc/mkinitfs.1.scd
@@ -42,6 +42,7 @@ mkinitfs reads deviceinfo values from */usr/share/deviceinfo/deviceinfo* and
 */etc/deviceinfo*, in that order. The following variables
 are *required* by mkinitfs:
 
+	- deviceinfo_generate_systemd_boot
 	- deviceinfo_initfs_compression
 	- deviceinfo_initfs_extra_compression
 	- deviceinfo_uboot_boardname