diff --git a/tests/ui/let_underscore_future.stderr b/tests/ui/let_underscore_future.stderr
index f1b9b1d70..33a748736 100644
--- a/tests/ui/let_underscore_future.stderr
+++ b/tests/ui/let_underscore_future.stderr
@@ -1,4 +1,4 @@
-error: non-binding let on a future
+error: non-binding `let` on a future
   --> $DIR/let_underscore_future.rs:14:5
    |
 LL |     let _ = some_async_fn();
@@ -7,7 +7,7 @@ LL |     let _ = some_async_fn();
    = help: consider awaiting the future or dropping explicitly with `std::mem::drop`
    = note: `-D clippy::let-underscore-future` implied by `-D warnings`
 
-error: non-binding let on a future
+error: non-binding `let` on a future
   --> $DIR/let_underscore_future.rs:15:5
    |
 LL |     let _ = custom();
@@ -15,7 +15,7 @@ LL |     let _ = custom();
    |
    = help: consider awaiting the future or dropping explicitly with `std::mem::drop`
 
-error: non-binding let on a future
+error: non-binding `let` on a future
   --> $DIR/let_underscore_future.rs:19:5
    |
 LL |     let _ = future;