diff --git a/streaming/index.js b/streaming/index.js
index adb4d26c64d..a0cf1178406 100644
--- a/streaming/index.js
+++ b/streaming/index.js
@@ -311,7 +311,7 @@ const startServer = async () => {
   /**
    * @callback SubscriptionListener
    * @param {ReturnType<parseJSON>} json of the message
-   * @returns void
+   * @returns {void}
    */
 
   /**