Use this wording to leave a gift to the library in your will:
I give ______% and/or $____________ of my residuary estate to the Champaign Public Library Foundation, 200 West Green Street, Champaign, IL 61820, to provide funding for____________ at the Champaign Public Library or for library collections, services, and/or programs as determined by the administration and Board of Directors of the Champaign Public Library Foundation.