diff --git a/meta-openembedded/meta-initramfs/recipes-bsp/kexecboot/kexecboot-cfg_0.2.bb b/meta-openembedded/meta-initramfs/recipes-bsp/kexecboot/kexecboot-cfg_0.2.bb
index 804ec32..f90e234 100644
--- a/meta-openembedded/meta-initramfs/recipes-bsp/kexecboot/kexecboot-cfg_0.2.bb
+++ b/meta-openembedded/meta-initramfs/recipes-bsp/kexecboot/kexecboot-cfg_0.2.bb
@@ -19,9 +19,15 @@
 # Specify full kernel path on target.
 KERNEL=/boot/${KERNEL_IMAGETYPE}
 #
+# Specify which device tree blob to use
+# DTB=/boot/my-own-dtb
+#
 # Append this tags to the kernel cmdline.
 APPEND=${CMDLINE} ${CMDLINE_DEBUG}
 #
+# Overwrite kernel command line instead of appending to it
+# CMDLINE=console=/dev/tty0 root=/dev/sdb1
+#
 # Specify optional initrd/initramfs.
 # INITRD=/boot/initramfs.cpio.gz
 #