Vacating tenant painted phrases on walls

[Margaret Martindale]

I need verbage for my rental contract which would make it clear that painting or sticking phrases etc on the walls is prohibited.  Great tenants just moved out and we found the property on excellent condition except for the phrases "health happiness and family" painted on the wall at the top of the family room vaulted ceiling and. A Shakespeare phrase painted above the kitchen sink.  Both are painted on the wall with black paint.  When we bought this house it was a pain to get the stickers off the wall was were phrases.  Lol seems that this house has a message.