Fix autoroller instructions

BUG=skia:6065

NOTRY=true
DOCS_PREVIEW= https://skia.org/?cl=7377

Change-Id: Iefd6af3104f4aea2f2ae93c556b6b429e54ebff4
Reviewed-on: https://skia-review.googlesource.com/7377
Reviewed-by: Matt Sarett <msarett@google.com>
Commit-Queue: Ravi Mistry <rmistry@google.com>
1 file changed