minor changes

Author: AbhishekMallick01

articles/backup/sql-support-matrix.md

@@ -45,7 +45,7 @@ _*The database size limit depends on the data transfer rate that we support and
 * TDE - enabled database backup is supported. To restore a TDE-encrypted database to another SQL Server, you need to first [restore the certificate to the destination server](/sql/relational-databases/security/encryption/move-a-tde-protected-database-to-another-sql-server). The backup compression for TDE-enabled databases for SQL Server 2016 and newer versions is available, but at lower transfer size as explained [here](https://techcommunity.microsoft.com/t5/sql-server/backup-compression-for-tde-enabled-databases-important-fixes-in/ba-p/385593).
 * The backup and restore operations for mirror databases and database snapshots aren't supported.
 * SQL Server **Failover Cluster Instance (FCI)** isn't supported.
-* Back up of databases with extensions in their names aren’t supported. This is because the IIS server performs the [file extension request filtering](/iis/configuration/system.webserver/security/requestfiltering/fileextensions). However, note that we have allowlisted _.ad_, _.cs_, and _.master_ that can be used in the database names.
+* Back up of databases with extensions in their names aren’t supported. This is because the IIS server performs the [file extension request filtering](/iis/configuration/system.webserver/security/requestfiltering/fileextensions). However, note that we've allowlisted `.ad`, `.cs`, and `.master` that can be used in the database names.
 
 ## Backup throughput performance