changed formatting

Author: MashaMSFT

docs/sql-server/failover-clusters/install/before-installing-failover-clustering.md

@@ -141,10 +141,10 @@ manager: craigg
 
 -   To enable Kerberos authentication with [!INCLUDE[ssNoVersion](../../../includes/ssnoversion-md.md)], see [How to use Kerberos authentication in SQL Server](https://support.microsoft.com/kb/319723) in the [!INCLUDE[msCoName](../../../includes/msconame-md.md)] Knowledge Base.  
 
--   SQL Server failover cluster instance requires the cluster nodes to be domain joined.
-    1.	SQL FCI on workgroup clusters is not supported. 
-    2.	SQL FCI on Multi-Domain cluster is also not supported.  
-    3.	SQL FCI on Domain + Workgroup Clusters is not supported.
+-   SQL Server failover cluster instance (FCI) requires the cluster nodes to be domain joined. The following configurations are **not supported**: 
+    *	SQL FCI on workgroup clusters. 
+    *	SQL FCI on Multi-Domain cluster.   
+    *	SQL FCI on Domain + Workgroup Clusters. 
 
 
 ##  <a name="Network"></a> Review Network, Port, and Firewall Considerations