SQL server documentation fixes (GoogleCloudPlatform#304)

* SQL server documentation fixes

* SQL server documentation fixes

Co-authored-by: Aditya Bharadwaj <adibh@google.com>

Author: bharadwaj-aditya

sources/sqlserver/README.md

@@ -16,9 +16,9 @@ HarbourBridge can be run directly on a SQL Server database (via go's database/sq
 The following examples assume a `harbourbridge` alias has been setup as described
 in the [Installing HarbourBridge](https://github.com/cloudspannerecosystem/harbourbridge#installing-harbourbridge) section of the main README.
 
-### Directly connecting to a Sql server database
+### Directly connecting to a SQL Server database
 
-In this case, HarbourBridge connects directly to the Sql server database to
+In this case, HarbourBridge connects directly to the SQL Server database to
 retrieve table schema and data. Set the `-source=sqlserver` and corresponding
 source profile connection parameters `host`, `port`, `user`, `db_name` and
 `password`.