Clarify overlay description
authorchris-ls <chris-ls@users.noreply.github.com>
Thu, 4 Feb 2016 02:36:41 +0000 (15:36 +1300)
committerchris-ls <chris-ls@users.noreply.github.com>
Thu, 4 Feb 2016 02:36:41 +0000 (15:36 +1300)
commit48c6692311ab57e575e9e2d49da438192f3f087f
tree01e05a5c944b9770b2437fcdfa2d2d0e54a6160d
parenta0792237a025dfeeb10394d68f0e2b2c1a3be88f
Clarify overlay description

'16px' is ambiguous and not clear (4 x 4 px? or 16 x 16px)
docs/api/browser-window.md