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-rw-r--r--tests/coverage/async2.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/tests/coverage/async2.rs b/tests/coverage/async2.rs
index ae83f0103e6..713c70d277a 100644
--- a/tests/coverage/async2.rs
+++ b/tests/coverage/async2.rs
@@ -1,6 +1,6 @@
 #![feature(coverage_attribute)]
 #![feature(noop_waker)]
-// edition: 2018
+//@ edition: 2018
 
 fn non_async_func() {
     println!("non_async_func was covered");