doc: fix incorrect item number in accesslog design doc

[shawnh2]

What type of PR is this?

docs: typo fix

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #

[codecov]

Codecov Report

Merging #1854 (138b2c3) into main (a0769d6) will decrease coverage by 0.19%.
The diff coverage is n/a.

❗ Current head 138b2c3 differs from pull request most recent head 572984b. Consider uploading reports for the commit 572984b to get more accurate results

@@            Coverage Diff             @@
##             main    #1854      +/-   ##
==========================================
- Coverage   65.39%   65.21%   -0.19%     
==========================================
  Files          86       86              
  Lines       12526    12480      -46     
==========================================
- Hits         8192     8139      -53     
- Misses       3818     3823       +5     
- Partials      516      518       +2     

see 4 files with indirect coverage changes

[zirain]

It's worked as expected.

The result is same, but it's more easy to insert a paragraph in the middle.

[zirain]

actually, should change 2. to 1.

[shawnh2]

It's worked as expected.

The result is same, but it's more easy to insert a paragraph in the middle.

in that case, would the unordered list be great?