fix app name

Author: PatrickFarley

articles/cognitive-services/Custom-Vision-Service/index.yml

@@ -97,7 +97,7 @@ landingContent:
             url: export-model-python.md
       - linkListType: tutorial
         links:
-          - text: IoT Visual Alert app
+          - text: IoT Visual Alerts app
             url: iot-visual-alerts-tutorial.md
           - text: Logo detector for mobile
             url: logo-detector-mobile.md

articles/cognitive-services/Custom-Vision-Service/toc.yml

@@ -46,7 +46,7 @@
   items:
   - name: Logo detector for mobile
     href: logo-detector-mobile.md
-  - name: IoT Visual Alert app
+  - name: IoT Visual Alerts app
     href: iot-visual-alerts-tutorial.md
 - name: How-to guides
   items: