On the Subject of ???

To solve this last puzzle, I have a suggestion:
Just add these few glyphs to the guide page in question.
Take new digit tetrads, use each on the next
to resolve the conundrum you see in this text:

The principles, truths that have been recompiled
that Timwi has indexed and sorted and filed
will help you defuse any bombs in this game:
for these all as one, what might be an apt name?