diff --git a/src/uu/shred/src/shred.rs b/src/uu/shred/src/shred.rs
index 59821676d..99fdc91ed 100644
--- a/src/uu/shred/src/shred.rs
+++ b/src/uu/shred/src/shred.rs
@@ -6,7 +6,7 @@
 // * For the full copyright and license information, please view the LICENSE
 // * file that was distributed with this source code.
 
-// spell-checker:ignore (words) wipesync
+// spell-checker:ignore (words) wipesync prefill
 
 use clap::{crate_version, Arg, ArgAction, Command};
 use rand::{rngs::StdRng, seq::SliceRandom, Rng, SeedableRng};