Max file size description is broken

In the user_import_add_form I think the description for max file size is broken. It currently says:

    if (function_exists('file_upload_max_size')) $file_size = t('Maximum file size: !size MB.', array('!size' => file_upload_max_size()));

However, file_upload_max_size() returns the size in bytes, not MB. So this will return the max file size as 1 million times to big :). I've attached a patch for it.