Update hook_civicrm_aclWhereClause.md
Created by: artfulrobot
Clarify that the ContactID refers to the user making the query - my reading had been that it was the contact ID of the contact that was being considered.
Created by: artfulrobot
Clarify that the ContactID refers to the user making the query - my reading had been that it was the contact ID of the contact that was being considered.