Be sure that you understand everything in the lease. If you want something changed, you can do so right on the lease, by crossing that part out, writing in the changes, and having both parties initial the new wording. Do this on both your copy of the lease and on your landlord’s copy. (ex. “both parties agree that the pet fee is refundable.”) If you and your landlord agree on a particular meaning for an ambiguous term, then you may write in the clearer term and initial the newly agreed upon meaning. Be sure to.