diff --git a/client/consensus/common/src/import_queue/buffered_link.rs b/client/consensus/common/src/import_queue/buffered_link.rs
index cfc75d71998b4..a3587d686cd80 100644
--- a/client/consensus/common/src/import_queue/buffered_link.rs
+++ b/client/consensus/common/src/import_queue/buffered_link.rs
@@ -29,9 +29,9 @@
 //! # struct DummyLink; impl Link<Block> for DummyLink {}
 //! # let mut my_link = DummyLink;
 //! let (mut tx, mut rx) = buffered_link::<Block>();
-//! tx.blocks_processed(0, 0, vec![]);
+//! tx.blocks_processed(0, 0, None, vec![]);
 //!
-//! // Calls `my_link.blocks_processed(0, 0, vec![])` when polled.
+//! // Calls `my_link.blocks_processed(0, 0, None, vec![])` when polled.
 //! let _fut = futures::future::poll_fn(move |cx| {
 //! 	rx.poll_actions(cx, &mut my_link);
 //! 	std::task::Poll::Pending::<()>