add clarity and correct ProgramFiles system environment variable name

Author: Eriawan Kusumawardhono

docs/powershell/sql-server-powershell.md

@@ -35,7 +35,7 @@ To ship SQL PowerShell updates, we had to change the identity of the SQL PowerSh
 
 **Update your PowerShell scripts if they import the SQLPS module.**
 
-If you have any PowerShell scripts that run `Import-Module -Name SQLPS`, and you want to take advantage of the new provider functionality and new cmdlets, you must change them to `Import-Module -Name SqlServer`. The new module is installed to `%Program Files\WindowsPowerShell\Modules\SqlServer`. Therefore, you do not have to update the $env:PSModulePath variable. If you have scripts that use a third-party or community version of a module named **SqlServer**, use of the Prefix parameter to avoid name collisions. There is no change to the module used by SQL Server Agent. 
+If you have any PowerShell scripts that run `Import-Module -Name SQLPS`, and you want to take advantage of the new provider functionality and new cmdlets, you must change them to `Import-Module -Name SqlServer`. The new module is installed to `%ProgramFiles%\WindowsPowerShell\Modules\SqlServer` folder. Therefore, you do not have to update the $env:PSModulePath variable. If you have scripts that use a third-party or community version of a module named **SqlServer**, use of the Prefix parameter to avoid name collisions. There is no change to the module used by SQL Server Agent. 
 
 
 ## SQL Server PowerShell Components