Fix broken hyperlink

Author: seesharprun

articles/cosmos-db/try-free.md

@@ -181,7 +181,7 @@ After you create a Try Azure Cosmos DB sandbox account, you can start building a
 * Get started with Azure Cosmos DB with one of our quickstarts:
   * [Get started with Azure Cosmos DB for NoSQL](nosql/quickstart-portal.md#create-container-database)
   * [Get started with Azure Cosmos DB for PostgreSQL](postgresql/quickstart-create-portal.md)
-  * [Get started with Azure Cosmos DB for MongoDB](mongodb/quickstart-python.md#learn-the-object-model)
+  * [Get started with Azure Cosmos DB for MongoDB](mongodb/quickstart-python.md#object-model)
   * [Get started with Azure Cosmos DB for Cassandra](cassandra/adoption.md)
   * [Get started with Azure Cosmos DB for Gremlin](gremlin/quickstart-console.md#add-a-graph)
   * [Get started with Azure Cosmos DB for Table](table/quickstart-dotnet.md)