diff --git a/tests/ui/empty_docs.rs b/tests/ui/empty_docs.rs
index 30b1f0ed2e2..77564c1c33d 100644
--- a/tests/ui/empty_docs.rs
+++ b/tests/ui/empty_docs.rs
@@ -44,7 +44,7 @@ fn warn_about_this_as_well() {
 
 ///
 fn warn_inner_outer() {
-    //! what
+    //!w
 }
 
 fn this_is_ok() {