I believe their is a typo in the reference guide

I believe there is a typo in the ID+C reference guide...My understanding of this credit is that it in no way requires specific site, energy or water improvements, it is just that the possibilities of selection and efficiencies must be analyzed, correct? In the reference guide it reads, “Demonstrate how at least one on-site non-potable water supply source was *used* to reduce the burden…..” In the credit library it states “Demonstrate how at least one on-site non-potable water supply source was *analyzed* to reduce the burden…”