Simplify the following text for a Grade 11 native English-speaking person.
Original: On Arundel 's advice , Henry passed the De heretico comburendo and was thus the first English king to allow the burning of heretics , mainly to suppress the Lollard movement .
Simplified: On Arundel 's advice , Henry was the first English king to allow the burning of heretics , mainly to suppress the Lollard movement .