Address validation warning

Author: LukasAud

lib/puppet/type/dsc.rb

@@ -120,8 +120,11 @@ def change_to_s(currentvalue, newvalue)
   end
 end
 
-# Provider for dsc type
 Puppet::Type.type(:dsc).provide :powershell, parent: Puppet::Type.type(:base_dsc_lite).provider(:powershell) do
+  desc <<-DOC
+    @summary
+      Provider for dsc type
+  DOC
   confine feature: :dsc_lite
   defaultfor operatingsystem: :windows