Adding new article to TOC

Author: Mattp123

powerapps-docs/maker/TOC.yml

@@ -2209,12 +2209,14 @@
     href: ./model-driven-apps/privileges-required-customization.md
   - name: API limits overview
     href: ./data-platform/api-limits-overview.md
-  - name: Get experimental features early (preview)
+  - name: Get preview features early (preview)
     items:
     - name: Use the Dataverse accelerator
       href: ./data-platform/dataverse-accelerator/dataverse-accelerator.md
     - name: Monitor plug-ins
       href: ./data-platform/dataverse-accelerator/plugin-monitoring.md
+    - name: Test and explore the Dataverse Web API
+      href: ./data-platform/dataverse-accelerator/api-playground.md  
   - name: For admins
     items:
     - name: Security in Dataverse

powerapps-docs/maker/data-platform/dataverse-accelerator/dataverse-accelerator.md

@@ -1,6 +1,6 @@
 ---
 title: Get preview features and tools early with Dataverse accelerator | Microsoft Docs
-description:  The Dataverse accelerator aoo rapidly delivers preview and innovative Dataverse development capabilities to empower Power Platform makers.
+description:  The Dataverse accelerator rapidly delivers preview and innovative Dataverse development capabilities to empower Power Platform makers.
 author: denise-msft
 ms.author: demora
 ms.reviewer: matp
@@ -59,7 +59,7 @@ You must have the following privileges in your Dataverse environment:
 | -- | -- |
 | [Low-code plug-ins](../low-code-plug-ins.md) | Reusable, real-time workflows that execute a specific set of commands within Dataverse. Low-code plug-ins run server-side and are triggered by personalized event handlers, defined in Power Fx. |
 | [Plug-in monitor](plugin-monitoring.md) | A modern interface to surface the existing plug-in trace log table in Dataverse environments, designed for developing and debugging Dataverse plug-ins and custom APIs.  |
-| [API playground](api-playground.md) | a pre-authenticated software testing tool that helps makers quickly and conveniently interact with the [Microsoft Dataverse Web API](/power-apps/developer/data-platform/webapi/overview). |
+| [API playground](api-playground.md) | A preauthenticated software testing tool that helps makers quickly and conveniently interact with the [Dataverse Web API](/power-apps/developer/data-platform/webapi/overview). |
 
 ## Manage the Dataverse accelerator app