Link update in landing page

Author: SnehaGunda

.openpublishing.redirection.json

@@ -7175,7 +7175,7 @@
         },
         {
             "source_path": "articles/cosmos-db/tutorial-develop-graph-dotnet.md",
-            "redirect_url": "https://docs.microsoft.com/azure/cosmos-db/create-sql-api-dotnet",
+            "redirect_url": "https://docs.microsoft.com/azure/cosmos-db/create-graph-dotnet",
             "redirect_document_id": false
         },
         {

articles/cosmos-db/TOC.yml

@@ -292,7 +292,7 @@
         items:
         - name: 1 - Query data
           href: tutorial-query-graph.md
-      - name: How To Guides
+      - name: How-to guides
         items:
         - name: Import graph data 
           href: bulk-executor-graph-dotnet.md

articles/cosmos-db/index.yml

@@ -151,7 +151,7 @@ sections:
       - 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: 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: 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> 
       - html: <a href="local-emulator">Develop your application locally using the emulator</a>
       - html: <a href="/azure/cosmos-db/tutorial-functions-http-trigger">Create an HTTP Trigger with an Azure Cosmos DB input binding</a>