diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 25f3f5a05..66f3168ed 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,3 +1,5 @@
+<!-- spell-checker:ignore reimplementing toybox -->
+
 # Contributing to coreutils
 
 Contributions are very welcome, and should target Rust's main branch until the