clarify async fn description

2025-09-12 18:33:49 +00:00 · 2025-09-12 18:33:49 +00:00 · d59ccc1fd2
commit d59ccc1fd2
parent 16d4787c54
1 changed files with 1 additions and 1 deletions
--- a/src/exercises/async_fn.md
+++ b/src/exercises/async_fn.md
@ -1,6 +1,6 @@
 # Async `to_string`

-Make this compile and pass tests:
+Define the `AsyncToString` trait to make this compile and pass tests (don't edit existing code):

 ```rust,ignore,mdbook-runnable
 # extern crate futures;