G = changeRing(H,R,L,MaximalEdges=>true)This is an option to tell changeRing whether to make a hypergraph using maximal or minimal edges after substitution for the variables.
The source of this document is in /build/macaulay2-88fgJW/macaulay2-1.25.11+ds/M2/Macaulay2/packages/EdgeIdeals.m2:4296:0.