diff --git a/src/bootstrap/mk/Makefile.in b/src/bootstrap/mk/Makefile.in
index 6267156e8e25..3d977bf30586 100644
--- a/src/bootstrap/mk/Makefile.in
+++ b/src/bootstrap/mk/Makefile.in
@@ -58,7 +58,7 @@ check-aux:
 		library/core \
 		library/alloc \
 		--no-doc
-	# Some use file system operations to demonstrate dealing with `Result`.
+	# Some doctests use file system operations to demonstrate dealing with `Result`.
 	$(Q)MIRIFLAGS="-Zmiri-disable-isolation" \
 		$(BOOTSTRAP) miri --stage 2 \
 		library/core \