Update introduction.md

Author: wmwxwa

articles/cosmos-db/introduction.md

@@ -57,15 +57,15 @@ When you decide that Azure Cosmos DB is right for you, you can receive up to 63%
 
 Besides AI, Azure Cosmos DB should also be your goto database for a variety of use cases, including [retail and marketing](use-cases.md#retail-and-marketing), [IoT and telematics](use-cases.md#iot-and-telematics), [gaming](use-cases.md#gaming), [social](social-media-apps.md), and [personalization](use-cases.md#personalization), among others. Azure Cosmos DB is well positioned for solutions that handle massive amounts of data, reads, and writes at a global scale with near-real response times. Azure Cosmos DB's guaranteed high availability, high throughput, low latency, and tunable consistency are huge advantages when building these types of applications.
 
-### For what kinds of apps is Azure Cosmos DB a good fit?
+##### For what kinds of apps is Azure Cosmos DB a good fit?
 
 - **Flexible Schema for Iterative Development.** For example, apps wanting to adopt flexible modern DevOps practices and accelerate feature deployment timelines.
 - **Latency sensitive workloads.** For example, real-time Personalization.
 - **Highly elastic workloads.** For example, concert booking platform.
 - **High throughput workloads.** For example, IoT device state/telemetry.
 - **Highly available mission critical workloads.** For example, customer-facing Web Apps.
 
-### For what kinds of apps is Azure Cosmos DB a poor fit?
+##### For what kinds of apps is Azure Cosmos DB a poor fit?
 
 - **Analytical workloads (OLAP).** For example, interactive, streaming, and batch analytics to enable Data Scientist / Data Analyst scenarios. Consider Microsoft Fabric instead.
 - **Highly relational apps.** For example, white-label CRM applications. Consider Azure SQL, Azure Database for MySQL, or Azure Database for PostgreSQL instead.