Fix TOC and heading

Author: edlamie80

articles/iot-develop/TOC.yml

@@ -60,7 +60,7 @@
   - name: Device certification
     href: ../certification/program-requirements-pnp.md
   - name: IOT device selection table
-    hfref: iot-device-selection.md
+    href: iot-device-selection.md
   - name: Device models
     items:
     - name: Modeling guide

articles/iot-develop/iot-device-selection.md

@@ -1,5 +1,5 @@
 ---
-title: IOT prototyping device selection list
+title: Azure IOT prototyping device selection list
 description: This document provides guidance on choosing a hardware device for prototyping IoT Azure solutions.
 author: jenfoxbot
 ms.author: jefo