diff --git a/src/test/run-make/test-harness/Makefile b/src/test/run-make/test-harness/Makefile
index fc9b65c47a9fe56e6fab734bad209228136d5a19..aad8b1b3fbbafcf7a081bfbf3ea7c066dfe73621 100644
--- a/src/test/run-make/test-harness/Makefile
+++ b/src/test/run-make/test-harness/Makefile
@@ -1,7 +1,7 @@
 -include ../tools.mk
 
 all:
-	# check that #[ignore(cfg(...))] does the right thing.
+	# check that #[cfg_attr(..., ignore)] does the right thing.
 	$(RUSTC) --test test-ignore-cfg.rs --cfg ignorecfg
 	$(call RUN,test-ignore-cfg) | grep 'shouldnotignore ... ok'
 	$(call RUN,test-ignore-cfg) | grep 'shouldignore ... ignored'