diff --git a/meta/classes-recipe/uboot-extlinux-config.bbclass b/meta/classes-recipe/uboot-extlinux-config.bbclass
index 86a7d30ca0..653e583663 100644
--- a/meta/classes-recipe/uboot-extlinux-config.bbclass
+++ b/meta/classes-recipe/uboot-extlinux-config.bbclass
@@ -33,11 +33,11 @@
 # UBOOT_EXTLINUX_DEFAULT_LABEL ??= "Linux Default"
 # UBOOT_EXTLINUX_TIMEOUT ??= "30"
 #
-# UBOOT_EXTLINUX_KERNEL_IMAGE_default ??= "../zImage"
-# UBOOT_EXTLINUX_MENU_DESCRIPTION_default ??= "Linux Default"
+# UBOOT_EXTLINUX_KERNEL_IMAGE:default ??= "../zImage"
+# UBOOT_EXTLINUX_MENU_DESCRIPTION:default ??= "Linux Default"
 #
-# UBOOT_EXTLINUX_KERNEL_IMAGE_fallback ??= "../zImage-fallback"
-# UBOOT_EXTLINUX_MENU_DESCRIPTION_fallback ??= "Linux Fallback"
+# UBOOT_EXTLINUX_KERNEL_IMAGE:fallback ??= "../zImage-fallback"
+# UBOOT_EXTLINUX_MENU_DESCRIPTION:fallback ??= "Linux Fallback"
 #
 # Results:
 #