diff --git a/doc/api/cluster.md b/doc/api/cluster.md
index a865ff4691ead8..011a491f632874 100644
--- a/doc/api/cluster.md
+++ b/doc/api/cluster.md
@@ -516,7 +516,7 @@ The `addressType` is one of:
 * `message` {Object}
 * `handle` {undefined|Object}
 
-Emitted when any worker receives a message.
+Emitted when the cluster master receives a message from any worker.
 
 See [child_process event: 'message'][].