diff --git a/openraft/src/testing/runtime/mod.rs b/openraft/src/testing/runtime/mod.rs
index 9416108f3..d1270b914 100644
--- a/openraft/src/testing/runtime/mod.rs
+++ b/openraft/src/testing/runtime/mod.rs
@@ -359,7 +359,7 @@ impl<Rt: AsyncRuntime> Suite<Rt> {
     }
 }
 
-/// A helper function to peek a future's state.
+/// Polls the future, and returns its current state.
 fn poll_in_place<F: std::future::Future>(fut: Pin<&mut F>) -> Poll<F::Output> {
     let waker = futures::task::noop_waker();
     let mut cx = futures::task::Context::from_waker(&waker);