Added some help

Public/Set-GPOOwner.ps1

@@ -1,4 +1,28 @@
 function Set-GPOOwner {
+    <#
+    .SYNOPSIS
+    Used within Invoke-GPOZaurrPermission only. Set new group policy owner.
+
+    .DESCRIPTION
+    Used within Invoke-GPOZaurrPermission only. Set new group policy owner.
+
+    .PARAMETER Type
+    Choose Owner Type. When chosing Administrative Type, owner will be set to Domain Admins for current GPO domain. When Default is set Owner will be set to Principal given in another parameter.
+
+    .PARAMETER Principal
+    Choose Owner Name to set for Group Policy
+
+    .EXAMPLE
+    Invoke-GPOZaurrPermission -Verbose -SearchBase 'OU=Computers,OU=Production,DC=ad,DC=evotec,DC=xyz' {
+        Set-GPOOwner -Type Administrative
+        Remove-GPOPermission -Type NotAdministrative, NotWellKnownAdministrative -IncludePermissionType GpoEdit, GpoEditDeleteModifySecurity
+        Add-GPOPermission -Type Administrative -IncludePermissionType GpoEditDeleteModifySecurity
+        Add-GPOPermission -Type WellKnownAdministrative -IncludePermissionType GpoEditDeleteModifySecurity
+    } -WhatIf
+
+    .NOTES
+    General notes
+    #>
     [cmdletBinding()]
     param(
         [validateset('Administrative', 'Default')][string] $Type = 'Default',