Minor Landing page update

Author: SnehaGunda

articles/cosmos-db/TOC.yml

@@ -284,7 +284,7 @@
       items: 
       - name: Overview
         items:
-        - name: About Graph API
+        - name: About Gremlin API
           href: graph-introduction.md
         - name: Gremlin support
           href: gremlin-support.md
@@ -296,7 +296,7 @@
         items:
         - name: Import graph data 
           href: bulk-executor-graph-dotnet.md
-        - name: Graph partitioning
+        - name: Graph data partitioning
           href: graph-partitioning.md
     - name: Cassandra API Docs
       items: 

articles/cosmos-db/create-graph-dotnet.md

@@ -1,5 +1,5 @@
 ---
-title: Build an Azure Cosmos DB .NET Framework or Core application using the Graph API | Microsoft Docs
+title: Build an Azure Cosmos DB .NET Framework or Core application using the Gremlin API | Microsoft Docs
 description: Presents a .NET Framework/Core code sample you can use to connect to and query Azure Cosmos DB
 services: cosmos-db
 author: luisbosquez

articles/cosmos-db/index.yml

@@ -149,7 +149,7 @@ sections:
       style: ordered
       items:
       - html: Develop an app with Azure Cosmos DB&#58; <a href="/azure/cosmos-db/tutorial-develop-sql-api-dotnet">SQL</a> | <a href="/azure/cosmos-db/tutorial-develop-mongodb-nodejs">MongoDB</a> | <a href="/azure/cosmos-db/tutorial-develop-table-dotnet">Table</a> | <a href="/azure/cosmos-db/tutorial-develop-graph-dotnet">Gremlin</a> | <a href="https://aka.ms/cassandratutorial">Cassandra</a>
-      - html: Import data into Azure Cosmos DB&#58; <a href="import-data">SQL</a> | <a href="mongodb-migrate">MongoDB</a> | <a href="https://aka.ms/tableapiimporttool">Table</a> | <a href="https://aka.ms/cassandraimport">Cassandra</a>
+      - html: Migrate data to Azure Cosmos DB&#58; <a href="import-data">SQL</a> | <a href="mongodb-migrate">MongoDB</a> | <a href="https://aka.ms/tableapiimporttool">Table</a> | <a href="https://aka.ms/cassandraimport">Cassandra</a>
       - html: Query data with Azure Cosmos DB&#58; <a href="/azure/cosmos-db/tutorial-query-sql-api">SQL</a> | <a href="/azure/cosmos-db/tutorial-query-mongodb">MongoDB</a> | <a href="/azure/cosmos-db/tutorial-query-table">Table</a> | <a href="/azure/cosmos-db/tutorial-query-graph">Gremlin</a>
       - html: Global database replication with Azure Cosmos DB&#58; <a href="/azure/cosmos-db/tutorial-global-distribution-sql-api">SQL</a> | <a href="/azure/cosmos-db/tutorial-global-distribution-mongodb">MongoDB</a> | <a href="/azure/cosmos-db/tutorial-global-distribution-table">Table</a> | <a href="/azure/cosmos-db/tutorial-global-distribution-graph">Gremlin</a>
       - html: <a href="local-emulator">Develop your application locally using the emulator</a>