735 ILCS 5/6-110: Description of premises.

The premises so claimed shall be described in such complaint with convenient certainty, so that, from such description, possession of the premises claimed may be delivered. If the plaintiff claims any undivided share of interest in any premises, he or she shall state the same particularly in the complaint; but the plaintiff, in any case, may recover such part, share or interest in the premises as he or she shall appear on the trial to be entitled to.