Sentence case H2

Author: burkeholland

articles/cosmos-db/create-sql-api-nodejs.md

@@ -21,7 +21,7 @@ ms.author: dech
 
 In this quickstart, you create and manage an Azure Cosmos DB SQL API account from the Azure portal, and by using a Node.js app cloned from GitHub. Azure Cosmos DB is a multi-model database service that lets you quickly create and query document, table, key-value, and graph databases with global distribution and horizontal scale capabilities.
 
-## Walkthrough Video
+## Walkthrough video
 
 Watch this video for a complete walkthrough of the content in this article.