diff --git a/tokio/src/sync/barrier.rs b/tokio/src/sync/barrier.rs
index a1f87c44a..aa2f9e0cf 100644
--- a/tokio/src/sync/barrier.rs
+++ b/tokio/src/sync/barrier.rs
@@ -118,6 +118,10 @@ impl Barrier {
     /// A single (arbitrary) future will receive a [`BarrierWaitResult`] that returns `true` from
     /// [`BarrierWaitResult::is_leader`] when returning from this function, and all other tasks
     /// will receive a result that will return `false` from `is_leader`.
+    ///
+    /// # Cancel safety
+    ///
+    /// This method is not cancel safe.
     pub async fn wait(&self) -> BarrierWaitResult {
         #[cfg(all(tokio_unstable, feature = "tracing"))]
         return trace::async_op(