docs: fix format issue

[daixiang0]

Signed-off-by: Long Dai [email protected]

For an explanation of how to fill out the fields, please see the relevant section
in PULL_REQUESTS.md

Commit Message:

Fix format issue to pass pre-push check.

Additional Description:
Risk Level: Low
Testing:
Docs Changes:
Release Notes:
Platform Specific Features:
[Optional Runtime guard:]
[Optional Fixes #Issue]
[Optional Deprecated:]
[Optional API Considerations:]

[daixiang0]

/retest

[repokitteh-read-only]

Retrying Azure Pipelines:
Check envoy-presubmit isn't fully completed, but will still attempt retrying.
Retried failed jobs in: envoy-presubmit

🐱

Caused by: a #16555 (comment) was created by @daixiang0.

see: more, trace.

[daixiang0]

/retest

[repokitteh-read-only]

Retrying Azure Pipelines:
Check envoy-presubmit isn't fully completed, but will still attempt retrying.
Retried failed jobs in: envoy-presubmit

🐱

Caused by: a #16555 (comment) was created by @daixiang0.

see: more, trace.

[PiotrSikora]

Thanks!

[wbpcode]

/retest

[repokitteh-read-only]

Retrying Azure Pipelines:
Check envoy-presubmit isn't fully completed, but will still attempt retrying.
Retried failed jobs in: envoy-presubmit

🐱

Caused by: a #16555 (comment) was created by @wbpcode.

see: more, trace.

[phlax]

/retest

[repokitteh-read-only]

Retrying Azure Pipelines:
Retried failed jobs in: envoy-presubmit

🐱

Caused by: a #16555 (comment) was created by @phlax.

see: more, trace.

[daixiang0]

/retest

[repokitteh-read-only]

Retrying Azure Pipelines:
Retried failed jobs in: envoy-presubmit

🐱

Caused by: a #16555 (comment) was created by @daixiang0.

see: more, trace.

[PiotrSikora]

This is not a flake, retesting it over and over again won't help:

Code coverage for source/common/quic is lower than limit of 88.4 (87.8)

Broken in #16522 or #16534.

[phlax]

This is not a flake

as we now have 2 permafails on main someone with override CI power needs to land a fix to one or other first