Merge pull request #5474 from LowlyDBA/patch-14

Update sys-fn-hadr-is-primary-replica-transact-sql.md

Author: rothja

docs/relational-databases/system-functions/sys-fn-hadr-is-primary-replica-transact-sql.md

@@ -31,8 +31,7 @@ ms.author: mikeray
 
 ## Syntax  
 
-```  
-  
+```syntaxsql
 sys.fn_hadr_is_primary_replica ( 'dbname' )  
 ```  
 
@@ -46,21 +45,20 @@ sys.fn_hadr_is_primary_replica ( 'dbname' )
 ## Remarks  
  Use this function to conveniently determine whether the local instance is hosting the primary replica of the specified availability database. Sample code could be similar to the following.  
 
-```  
+```sql
 If sys.fn_hadr_is_primary_replica ( @dbname ) <> 1   
 BEGIN  
 -- If this is not the primary replica, exit (probably without error).  
 END  
 -- If this is the primary replica, continue to do the backup.  
-  
 ```  
 
 ## Examples  
 
 ### A. Using sys.fn_hadr_is_primary_replica  
  The following example returns 1 if the specified database on the local instance is the primary replica.  
 
-```  
+```sql
 SELECT sys.fn_hadr_is_primary_replica ('TestDB');  
 GO  
 ```