diff --git a/tests/by-util/test_expand.rs b/tests/by-util/test_expand.rs
index 3d4ac71f3..9c06fe904 100644
--- a/tests/by-util/test_expand.rs
+++ b/tests/by-util/test_expand.rs
@@ -1,4 +1,5 @@
 use crate::common::util::*;
+// spell-checker:ignore (ToDO) taaaa tbbbb tcccc
 
 #[test]
 fn test_with_tab() {