To update your boarding type details begin in the PetExec menu under company preferences-->modify boarding type details.
Once your kennels are defined in the Kennel Count, you can use the Boarding Type Details section to name each individual kennel. These names are used to populate a drop down of available kennels when scheduling or modifying a boarding. A default name is provided based on the name of the kennel and the number of kennels. If you want to further customize those kennel names, you can do so here: