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Acrolinx and casing fixes

Author: Jill Grant

articles/postgresql/flexible-server/concepts-version-policy.md

@@ -64,12 +64,12 @@ The table below provides the retirement details for PostgreSQL major versions. T
 
 Azure is extending its support for PostgreSQL 11 within both the Azure Database for PostgreSQL Single Server and Azure Database for PostgreSQL Flexible Server platforms. This extended support timeline is designed to provide additional time for users to plan and [migrate to Azure Database for PostgreSQL flexible server](../migrate/concepts-single-to-flexible.md) for higher PostgreSQL versions.
 
-### Single Server Support:
-- Until March 28, 2025, users can continue to create and utilize PostgreSQL 11 servers on the Azure Database for PostgreSQL Single Server, with the exception of creation through the Azure Portal. It's important to note that other [restrictions](#retired-postgresql-engine-versions-not-supported-in-azure-database-for-postgresql-flexible-server) associated with retired PostgreSQL engines still apply.
+### Single Server support:
+- Until March 28, 2025, users can continue to create and utilize PostgreSQL 11 servers on the Azure Database for PostgreSQL Single Server, with the exception of creation through the Azure portal. It's important to note that other [restrictions](#retired-postgresql-engine-versions-not-supported-in-azure-database-for-postgresql-flexible-server) associated with retired PostgreSQL engines still apply.
 - Azure will offer updates incorporating minor versions provided by the PostgreSQL community for PostgreSQL 11 servers until November 9, 2023.
 - After March 28, 2025, all PostgreSQL 11 servers on Single Server will be subject to the restrictions that are in place for retired PostgreSQL engines.
 
-### Flexible Server Support
+### Flexible Server support
 - Users can create and operate PostgreSQL 11 servers on Azure Database for PostgreSQL Flexible Server until November 9, 2025. 
 - Similar to the Single Server, updates with PostgreSQL community provided minor versions will be available for PostgreSQL 11 servers until November 9, 2023.
 - From November 9, 2023, to November 9, 2025, while users can continue using and creating new instances of PostgreSQL 11 on the Flexible Server, they will be subject to the [restrictions](#retired-postgresql-engine-versions-not-supported-in-azure-database-for-postgresql-flexible-server) of other retired PostgreSQL engines.