Update overview.md

Author: JonathanMagnan

docs2/pages/getting-started/overview.md

@@ -16,17 +16,17 @@ SELECT  SQLNET::New('x+y').ValueInt('x', 1).ValueInt('y', 2).EvalInt() as Result
 ## Installing
 Download the <a href="/download">SQL Script</a>
 
-## SQL Server 2017 - prerequisite
+### SQL Server 2017 - prerequisite
 1. Open the script SQLNET-Cert.sql
 2. Run the script
 3. Continue the install with next step
 
-## SQL Server 2008 or higher
+### SQL Server 2008 or higher
 1. Open the script SQLNET-Install.sql
 2. Replace '[DATABASE_NAME]' with your database name
 3. Run the script
 
-## Note
+### Note
 - For EXTERNAL_ACCESS PERMISSION
 	- Uncomment "ALTER DATABASE [DATABASE_NAME] SET TRUSTWORTHY ON"
 	- Uncomment "WITH PERMISSION_SET = EXTERNAL_ACCESS"