Every summary is checked against the original document by a person before it publishes. Right now that person is always the same one, which is the part of PorchLite most likely to break first.
Before you spend time on this: the role is unpaid, and it stays unpaid. There's a sample task and a conversation before anyone is approved. Reviewing is careful, unglamorous reading — a few items at a time, checking a summary says what the document says and nothing more.