diff --git a/doc/api/cluster.md b/doc/api/cluster.md
index 8e49e6a21d86f0..ede975b3b57f6a 100644
--- a/doc/api/cluster.md
+++ b/doc/api/cluster.md
@@ -577,7 +577,7 @@ 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'][].