Fix warnings

Author: dominicbetts

.openpublishing.publish.config.json

@@ -950,6 +950,7 @@
     "articles/iot-accelerators/.openpublishing.redirection.iot-accelerators.json",
     "articles/iot-develop/.openpublishing.redirection.iot-develop.json",
     "articles/iot-edge/.openpublishing.redirection.iot-edge.json",
+    "articles/iot-fundamentals/.openpublishing.redirection.iot-fundamentals.json",
     "articles/mariadb/.openpublishing.redirection.mariadb.json",
     "articles/marketplace/.openpublishing.redirection.marketplace.json",
     "articles/mysql/.openpublishing.redirection.mysql.json",

articles/iot-central/core/overview-iot-central.md

@@ -12,7 +12,7 @@ ms.custom: mvc, contperf-fy21q2, contperf-fy22q1, contperf-fy22q2
 
 # What is Azure IoT Central?
 
-IoT Central is an IoT [application platform as a service (aPaaS)](../../iot-fundamentals/iot-solution-apaas-paas.md) that reduces the burden and cost of developing, managing, and maintaining IoT solutions. Use IoT Central to quickly evaluate your IoT scenario and assess the opportunities it can create for your business. IoT Central streamlines the development of a complex and continually evolving IoT infrastructure by letting you to focus your efforts on determining the business impact you can create with the IoT data stream.
+IoT Central is an IoT application platform as a service (aPaaS) that reduces the burden and cost of developing, managing, and maintaining IoT solutions. Use IoT Central to quickly evaluate your IoT scenario and assess the opportunities it can create for your business. IoT Central streamlines the development of a complex and continually evolving IoT infrastructure by letting you to focus your efforts on determining the business impact you can create with the IoT data stream.
 
 The web UI lets you quickly connect devices, monitor device conditions, create rules, and manage devices and their data throughout their life cycle. Furthermore, it enables you to act on device insights by extending IoT intelligence into line-of-business applications. Once you've used IoT Central to evaluate your IoT scenario, you can then build your enterprise ready solutions by using the power of Azure IoT platform.  
 
@@ -119,7 +119,7 @@ IoT Central applications are fully hosted by Microsoft, which reduces the admini
 
 ## Pricing
 
-Applications you create using the *standard* plan are billed on a per device basis, you can choose either **Standard 0**, **Standard 1**, or **Standard 2** pricing plan with the first two devices being free. Learn more about [IoT Central pricing](https://aka.ms/iotcentral-pricing).
+Applications you create using the *standard* plan are billed on a per device basis, you can choose either **Standard 0**, **Standard 1**, or **Standard 2** pricing plan with the first two devices being free. Learn more about [IoT Central pricing](https://azure.microsoft.com/pricing/details/iot-central/).
 
 ## User roles
 

articles/iot-fundamentals/.openpublishing.redirection.iot-fundamentals.json

@@ -0,0 +1,11 @@
+{
+  "redirections": [
+    {
+      "source_path_from_root": "/articles/iot-fundamentals/iot-solution-apaas-paas.md",
+      "redirect_url": "/azure/iot-fundamentals",
+      "redirect_document_id": false
+    }
+  ]
+}
+
+

articles/iot-fundamentals/index.yml

@@ -62,9 +62,6 @@ conceptualContent:
         - url: ../iot-central/core/quick-deploy-iot-central.md
           itemType: quickstart
           text: Use your smartphone as a device to connect to IoT Central
-        - url: iot-solution-apaas-paas.md
-          itemType: concept
-          text: What's the difference between PaaS and aPaaS?
       # footerLink
       footerLink:
         url: ../iot-central/index.yml