Fix an incomplete comment.
Fix an incomplete comment.

R=jmesserly@google.com

Review URL: https://codereview.chromium.org//1993023002 .

grouma/test,iglherme/Guttiest,grouma/test,iglherme/Guttiest,iglherme/Guttiest,kevmoo/test,kevmoo/test,kevmoo/test,grouma/test