The nurse provided discharge teaching to the client's family on preventing pressure injuries at home. Which statement made by the family member indicates a need for further instruction?

"I will encourage him to walk daily so his muscles get stronger."

"I will ensure he inserts his dentures so he can eat well during the day."

"I will remind him to shift in his chair at least every two hours."

"I will change his incontinence brief about every eight hours or so."