All adjustments that someone requires are clearly stated in a support plan or needs based report. The OP should just refer to what is in there and let grad rec know.Considering the OP said ‘grad rec reached out’ I don’t think they are making it sound anything like what has been described here. It must have been noted on their application for grad rec to know about needing certain adjustments.
However, from the tone of the post, It seems like they were trying to get extra adjustments which they were not entitled to