Google Ad + YouTube

Hi - I selected for YouTube “RECOMMENDED FOR YOUTUBE - Mashup.mp4” and using SAS Ad Copy [2020] to add Description.

But, the intro in video has a testimonial from a 15-year old … and the Ad Copy says “must be over 18”…

Description 2:
Must have a stable internet connection, and a desktop or laptop computer. Must be over 18.

Do I need to upload a different video? Or, am I allowed to change “Description 2”?

Thanks,
Miso