be more clear about hosts

Author: TylerLeonhardt

README.md

@@ -8,17 +8,17 @@ It includes a command-line shell, an associated scripting language and a framewo
 Windows PowerShell is a Windows command-line shell designed especially for system administrators.
 Windows PowerShell includes an interactive prompt and a scripting environment that can be used independently or in combination.
 
-The PowerShell Standard has been created to assist developers create modules and PowerShell hosts which will use only APIs that exist across different versions of PowerShell.
+The PowerShell Standard has been created to assist developers create modules and PowerShell hosts which will run on PowerShell and which will use only APIs that exist across different versions of PowerShell.
 
 ## PowerShell Standard Libraries
 
 Two PowerShell Standard `.nupkg` versions are available:
 
 - PowerShell Standard.Library Version 3
-  - This allows you to create PowerShell modules and host which will run on PowerShell Version 3 and later including PowerShellCore
+  - This allows you to create PowerShell modules and PowerShell hosts which will run on PowerShell Version 3 and later including PowerShellCore
 
 - PowerShell Standard.Library Version 5.1
-  - This allows you to create PowerShell modules and host which will run on PowerShell Version 5.1 and later including PowerShellCore
+  - This allows you to create PowerShell modules and PowerShell hosts which will run on PowerShell Version 5.1 and later including PowerShellCore
 
 Both are available on [NuGet.org](https://www.nuget.org/packages/PowerShellStandard.Library)