PR feedback + better string

Author: JohnMcPMS

src/AppInstallerCLICore/Commands/DscAdminSettingsResource.h

@@ -5,7 +5,7 @@
 
 namespace AppInstaller::CLI
 {
-    // A resource for managing source configuration.
+    // A resource for managing admin settings.
     struct DscAdminSettingsResource : public DscCommandBase
     {
         DscAdminSettingsResource(std::string_view parent);

src/AppInstallerCLICore/Commands/SettingsCommand.cpp

@@ -188,7 +188,7 @@ namespace AppInstaller::CLI
         {
             if (execArgs.Contains(Execution::Args::Type::SettingName))
             {
-                throw CommandException(Resource::String::InvalidArgumentSpecifierError(ArgumentCommon::ForType(Execution::Args::Type::SettingName).Name));
+                throw CommandException(Resource::String::MultipleExclusiveArgumentsProvided("all|setting"_liv));
             }
 
             return;