As Apache license 2.0 section 4.b said, we need notice modifications?
If your goal is to be in strict compliance with the license, Id recommend you hire an attorney that specializes in this work. There are many special conditions regarding what constitutes a derivative work, whether youre a mere aggregator or a distributor, other open-source licenses and so forth. The best advice I can offer is that you shouldnt be making this up on your own based on advice you get on the Internet - you need professional guidance that can consider all aspects of what youre trying to do.