Hey Joris,
you should have asked!
Keyword density on that page is:
poker 13.54% (134 mentions)
software 4.44% (44 mentions)
Optimal density is around 7.5% (min 5, max 10) so you need to:
lose at least 60 mentions of ‘poker’ and add about 30 of ‘software’.
If you need any more help, PM me.
Andy.