Update enable-updating-subscrip_1.sql

Added the missing database-name argument

Author: dvkalashnikov

docs/relational-databases/replication/codesnippet/tsql/enable-updating-subscrip_1.sql

@@ -14,7 +14,7 @@ SET @publication = N'AdvWorksProductTran';
 SET @login = $(Login); 
 SET @password = $(Password); 
 
-USE [AdventureWorks]
+USE [AdventureWorks2012]
 -- Enable transactional replication on the publication database.
 EXEC sp_replicationdboption 
 	@dbname=@publicationDB, 
@@ -69,4 +69,4 @@ EXEC sp_addarticle
 	@type = N'logbased',
 	@source_owner = @owner, 
 	@destination_owner = @owner;
-GO
+GO