Edit C:\Windows\PolicyDefinitions\FileRevocation.admx

??<?xml version='1.0' encoding='utf-8' standalone='yes'?>

<policyDefinitions
    xmlns="http://schemas.microsoft.com/GroupPolicy/2006/07/PolicyDefinitions"
    xmlns:xsd="http://www.w3.org/2001/XMLSchema"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    revision="1.0"
    schemaVersion="1.0"
    >
  
  <policyNamespaces>
    <target
        namespace="Microsoft.Policies.FileRevocation"
        prefix="filerevocation"
        />
    <using
        namespace="Microsoft.Policies.Windows"
        prefix="windows"
        />
  </policyNamespaces>
  
  <resources minRequiredRevision="1.0"/>
  
  <categories>
    <category
        displayName="$(string.FileRevocationCategory)"
        name="FileRevocationCategory"
        >
      <parentCategory ref="windows:WindowsComponents"/>
    </category>
  </categories>
  
  <policies>
    <policy
        class="User"
        displayName="$(string.DelegatedPackageFamilyNames_Name)"
        explainText="$(string.DelegatedPackageFamilyNames_Help)"
        key="Software\Policies\Microsoft\Windows\FileRevocation"
        name="DelegatedPackageFamilyNames"
        presentation="$(presentation.DelegatedPackageFamilyNames)"
        >
      <parentCategory ref="FileRevocationCategory"/>
      <supportedOn ref="windows:SUPPORTED_Windows_6_3"/>
      <elements>
        <multiText
            id="DelegatedPackageFamilyNames_EIDs"
            valueName="DelegatedTuples"
            />
      </elements>
    </policy>
  </policies>
</policyDefinitions>

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