Fix the meta-descriptions per the guidelines.

robinsh · robinsh · commit 5baf587e39a5 · 2019-11-07T16:48:13.000-08:00
diff --git a/articles/iot-hub/iot-hub-message-enrichments-overview.md b/articles/iot-hub/iot-hub-message-enrichments-overview.md
@@ -1,6 +1,7 @@
 ---
 title: Overview of Azure IoT Hub message enrichments
-description: Overview of message enrichments for Azure IoT Hub messages
+description: This article shows message enrichments, which give the IoT Hub the ability to stamp messages with 
+additional information before the messages are sent to the designated endpoint. 
 author: robinsh
 manager: philmea
 ms.service: iot-hub
