adding preview and updating toc

Author: julieMSFT

articles/synapse-analytics/quickstart-connect-synapse-link-cosmos-db.md

@@ -1,5 +1,5 @@
 ---
-title: Connect to Synapse Link for Azure Cosmos DB
+title: Connect to Azure Synapse Link for Azure Cosmos DB
 description: How to connect an Azure Cosmos DB to a Synapse workspace with Synapse Link
 services: synapse-analytics 
 author: ArnoMicrosoft
@@ -11,7 +11,7 @@ ms.author: acomet
 ms.reviewer: jrasnick
 ---
 
-# Connect to Synapse Link for Azure Cosmos DB
+# Connect to Azure Synapse Link for Azure Cosmos DB
 
 This article describes how to access an Azure Cosmos DB database from Azure Synapse Analytics studio with Synapse Link. 
 

articles/synapse-analytics/synapse-link/how-to-query-analytical-store-spark.md

@@ -1,6 +1,6 @@
 ---
 
-title: Query Azure Cosmos DB Analytical Store with Apache Spark for Azure Synapse Analytics
+title: Query Azure Cosmos DB Analytical Store (preview) with Apache Spark for Azure Synapse Analytics
 description: How to query Azure Cosmos DB analytical with Apache Spark for Azure Synapse Analytics
 services: synapse-analytics 
 author: ArnoMicrosoft
@@ -12,7 +12,7 @@ ms.author: acomet
 ms.reviewer: jrasnick
 ---
 
-# Query Azure Cosmos DB Analytical Store with Apache Spark for Azure Synapse Analytics
+# Query Azure Cosmos DB Analytical Store (preview) with Apache Spark for Azure Synapse Analytics
 
 This article gives some examples on how you can interact with the analytical store from Synapse gestures. Gestures are visible when you right-click on a container. With gestures, you can quickly generate code and tailor it to your needs. Gestures are also perfect for discovering data with a single click.
 

articles/synapse-analytics/toc.yml

@@ -341,9 +341,9 @@
     - name: Synapse Link for Azure Cosmos DB
       href: ../cosmos-db/synapse-link.md?toc=/azure/synapse-analytics/toc.json&bc=/azure/synapse-analytics/breadcrumb/toc.json
     - name: Analytical Store Overview
-      href: ../cosmos-db/analytical-store-introduction.md
+      href: ../cosmos-db/analytical-store-introduction.md?toc=/azure/synapse-analytics/toc.json&bc=/azure/synapse-analytics/breadcrumb/toc.json
     - name: Synapse Link supported features
-      href: ./synapse-link/concept-synapse-link-cosmos-db-support.md?toc=/azure/synapse-analytics/toc.json&bc=/azure/synapse-analytics/breadcrumb/toc.json
+      href: ./synapse-link/concept-synapse-link-cosmos-db-support.md
     - name: Synapse Link FAQ
       href: ../cosmos-db/synapse-link-frequently-asked-questions.md?toc=/azure/synapse-analytics/toc.json&bc=/azure/synapse-analytics/breadcrumb/toc.json
     - name: Synapse Link use cases