diff --git a/iopupgrade/files/sbin/iopu b/iopupgrade/files/sbin/iopu
index 2ad42b5b4..e301952e0 100755
--- a/iopupgrade/files/sbin/iopu
+++ b/iopupgrade/files/sbin/iopu
@@ -243,7 +243,7 @@ fi
 cur_vol=$(get_flashbank_current)
 upd_vol=$(get_flashbank_next)
 
-# convert volume name "rootfs_$upd_vol" into ubifs volume id
+# convert volume name "rootfs_$upd_vol" into ubi volume id
 upd_ubi_id=$(ubinfo -d 0 -N rootfs_$upd_vol | awk "/Volume ID:/ {print \$3}")
 log "installing Root Fileystem into UBI volume rootfs_$upd_vol"