Chrome Version: (copy from chrome://version)
OS: (e.g. Win10, MacOS 10.12, etc...)

What steps will reproduce the problem?
(1) visit the documentation link written here: https://cs.corp.google.com/clank/build/official_buildbot_functions.sh?rcl=f93c077442415cd7c0bf8a07e2a1fa7c0218d691&l=130
(2)
(3)

What is the expected result?
Documentation is loaded


What happens instead?
404 error



Please use labels and text to provide additional information.

If this is a regression (i.e., worked before), please consider using
the bisect tool (https://www.chromium.org/developers/bisect-builds-py)
to help us identify the root cause and more rapidly triage the issue.

For graphics-related bugs, please copy/paste the contents of the
about://gpu page at the end of this report.