In documentation of loop-for-each,
Instead of
(list 1 2 3 4 5 6 7 8 9)
perhaps consider using the example of
(number-sequence 1 9 1)

In practice, number-sequence kind of naturally fits with loop-for-each and is somewhat more practical repeated example of
(list 1 2 3 4 5 6 7 8 9).