fix validation warning

Author: Court72

articles/postgresql/flexible-server/concepts-query-store.md

@@ -20,7 +20,8 @@ The Query Store feature in Azure Database for PostgreSQL provides a way to track
 Query Store is an opt-in feature, so it isn't enabled by default on a server. Query store is enabled or disabled globally for all databases on a given server and cannot be turned on or off per database.
 > [!IMPORTANT]
 > Do not enable Query Store on Burstable pricing tier as it would cause performance impact.
-## Enabling Query Store
+
+
 ### Enable Query Store using the Azure portal
 1. Sign in to the Azure portal and select your Azure Database for PostgreSQL server.
 2. Select **Server Parameters** in the **Settings** section of the menu.