tree a0a0dcb7d12934495c445a73fe18bae9fda42bb7
parent 2b512d00ef8d6a8eb200396ab0a64294e84c4fa4
author Brian Salomon <bsalomon@google.com> 1487172143 -0500
committer Skia Commit-Bot <skia-commit-bot@chromium.org> 1487179630 +0000

Clarify when tweak alpha for coverage optimizaton can occur.

Also refer to it directly rather than using the term "modulate"

Change-Id: Ifa44a4d46e1be11b567943f58ead24e38f10d03b
Reviewed-on: https://skia-review.googlesource.com/8488
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>