moment/momentjs.com — pull request #58 by Integral (2013-08-10 14:18:38+00:00)
Title: Fixing year difference in docs.

Found little mistake in docs.
var a = moment([2007, 0]);
var b = moment([2008, 5]);
a.diff(b, 'years') // this'll return -1 instead of 1
a.diff(b, 'years', true) // this'll return -1.5 instead of 1.5