Correct the app first
If a voice update was misunderstood or a chore was tapped by accident, fix the chart in the app.
The app is the parent control surface, so it should reflect the intended family state before printing again.
Reprint only when needed
Small end-of-day fixes may not need a new printed sheet.
If the page on the fridge would confuse a child, print or share a fresh copy after the correction.