In the vespers template there is a note that says, “*During Paschaltide, replace ‘Holy God…’ with ‘Christ is Risen…’”
Could you explain that? I’ve never seen that done in the middle of a service like that, only at the beginning.
In some places, “Christ is Risen” is read plainly instead of “Holy God” at the Trisagion. However, this is probably not a universal practice.