Merge pull request #9006 from electron/fix-thumbnailSize-doc
authorKevin Sawicki <kevin@github.com>
Mon, 27 Mar 2017 16:10:40 +0000 (09:10 -0700)
committerGitHub <noreply@github.com>
Mon, 27 Mar 2017 16:10:40 +0000 (09:10 -0700)
fix docs for thumbnailSize


Trivial merge