Sat, 27 Apr 2019 21:09:47 -0400 doc: correct a typo
Matt Harbison <matt_harbison@yahoo.com> [Sat, 27 Apr 2019 21:09:47 -0400] rev 4617
doc: correct a typo
(0) -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 tip