diff --git a/versioned_docs/version-latest/04-standard-library/01-cloud/queue.md b/versioned_docs/version-latest/04-standard-library/01-cloud/queue.md
index 5ce2280d5..30388ece4 100644
--- a/versioned_docs/version-latest/04-standard-library/01-cloud/queue.md
+++ b/versioned_docs/version-latest/04-standard-library/01-cloud/queue.md
@@ -182,6 +182,8 @@ Push one or more messages to the queue.
 
 Payload to send to the queue.
 
+Each message must be non-empty.
+
 ---