Admin help content does not change wordpress documentation links

Hi,

I have just installed the Admin Help contents plugin WP 3.3 and have noticed that it does not change or allow modification to the links to the wordpress support docs.

Is there another plugin for this or can you point me to the correct place to remove or modify.

Can anyone point me to where the’Welcome to your new WordPress site!” files are so I can change these too.

Thanks in advance.