diff --git a/Documentation/mainboard/lenovo/ivb_internal_flashing.md b/Documentation/mainboard/lenovo/ivb_internal_flashing.md
index e6b597b284..1d02cac5c4 100644
--- a/Documentation/mainboard/lenovo/ivb_internal_flashing.md
+++ b/Documentation/mainboard/lenovo/ivb_internal_flashing.md
@@ -102,7 +102,7 @@ Replace the last line (`command.com`) with this (change path to the
 
 Save the file, then unmount the partition:
 
-    sudo unmount /mnt
+    sudo umount /mnt
 
 Write this image to a USB drive (replace `/dev/sdX` with your USB drive
 device name):