correct bookmaker md files

Mysterious failures on the part of the bookmaker
bot corrupt the md files.

No-Try: true
Docs-Preview: https://skia.org/?cl=142173
Bug: skia:6818,skia:8151
Change-Id: Iab32e1a47d493b22cc78866f08b79399d983e139
TBR=jcgregario@google.com,rmistry@google.com
Reviewed-on: https://skia-review.googlesource.com/142173
Reviewed-by: Cary Clark <caryclark@google.com>
Commit-Queue: Cary Clark <caryclark@google.com>
Auto-Submit: Cary Clark <caryclark@google.com>
14 files changed