diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index aea215aec..255ed2c53 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,4 +1,4 @@
-<!-- spell-checker:ignore reimplementing toybox RUNTEST CARGOFLAGS nextest embeddable Rustonomicon -->
+<!-- spell-checker:ignore reimplementing toybox RUNTEST CARGOFLAGS nextest embeddable Rustonomicon rustdoc's -->
 
 # Contributing to coreutils