Fixes #6372. [skip ci]

docs/guide/db-active-record.md

@@ -33,7 +33,7 @@ Below is the list of databases that are currently supported by Yii Active Record
 * MySQL 4.1 or later: via [[yii\db\ActiveRecord]]
 * PostgreSQL 7.3 or later: via [[yii\db\ActiveRecord]]
 * SQLite 2 and 3: via [[yii\db\ActiveRecord]]
-* Microsoft SQL Server 2010 or later: via [[yii\db\ActiveRecord]]
+* Microsoft SQL Server 2008 or later: via [[yii\db\ActiveRecord]]
 * Oracle: via [[yii\db\ActiveRecord]]
 * CUBRID 9.3 or later: via [[yii\db\ActiveRecord]] (Note that due to a [bug](http://jira.cubrid.org/browse/APIS-658) in
   the cubrid PDO extension, quoting of values will not work, so you need CUBRID 9.3 as the client as well as the server)

docs/guide/db-dao.md

@@ -15,7 +15,7 @@ By default, Yii supports the following DBMS:
 - [CUBRID](http://www.cubrid.org/): version 9.3 or higher. (Note that due to a [bug](http://jira.cubrid.org/browse/APIS-658) in
   the cubrid PDO extension, quoting of values will not work, so you need CUBRID 9.3 as the client as well as the server)
 - [Oracle](http://www.oracle.com/us/products/database/overview/index.html)
-- [MSSQL](https://www.microsoft.com/en-us/sqlserver/default.aspx): version 2005 or higher.
+- [MSSQL](https://www.microsoft.com/en-us/sqlserver/default.aspx): version 2008 or higher.
 
 
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