Help Please

Hi, when I tried to install piwik, I came accross this error,

Fatal error: Allowed memory size of 33554432 bytes exhausted (tried to allocate 79 bytes) in /home/piwik/public_html/vendor/leafo/lessphp/lessc.inc.php on line 392

What do I do?
Thank you for your help and support!

ok, i’m going to answer my own question,
http://piwik.org/docs/setup-auto-archiving/#increase-php-memory-limit