Allow a Description Field on a Calendar, similar to a Folder or Project

Six departments share our Wrike instance and the new layered calendars are a great feature. We would like a description field to be able to explain the intent of a calendar and the criteria by which tasks appear on it, for all to understand. Example; we have a global campus calendar and each department has a layer. Fin Aid can show when awards will be posted, the Registrar can show last day to add/drop, Financials can show payment due date, etc. Being able to describe how each department can get their items to show and explain it is not intended to show personal leave, department parties etc. will insure it's used correctly.

Thanks,

Jim