diff --git a/tokio/src/sync/watch.rs b/tokio/src/sync/watch.rs
index 61307fce4..7287dd9fa 100644
--- a/tokio/src/sync/watch.rs
+++ b/tokio/src/sync/watch.rs
@@ -824,7 +824,7 @@ fn maybe_changed<T>(
     }
 
     if state.is_closed() {
-        // All receivers have dropped.
+        // The sender has been dropped.
         return Some(Err(error::RecvError(())));
     }