Update nchar-and-nvarchar-transact-sql.md

Author: pmasl

docs/t-sql/data-types/nchar-and-nvarchar-transact-sql.md

@@ -1,7 +1,7 @@
 ---
 title: "nchar and nvarchar (Transact-SQL) | Microsoft Docs"
 ms.custom: ""
-ms.date: "10/18/2018"
+ms.date: "10/22/2018"
 ms.prod: sql
 ms.prod_service: "database-engine, sql-database, sql-data-warehouse, pdw"
 ms.reviewer: ""