Simplify the following text for a Grade 13 native English-speaking person.
Original: This is a modified and significantly expanded version of Template : Talkarchivenav that was designd specifically for the user name space and provides many useful features , which are not available in the original template .
Simplified: This is a modified and significantly expanded version of that was designed specifically for the user name space and provides many useful features , which are not available in the original template .