four_letter_word_white_list parameter placed in wrong section in doc

[azsane]

in docs/en/guides/sre/keeper/index.md ( also for docs/ru doc/zh)

it says

Internal coordination settings
Internal coordination settings are located in the <keeper_server>.<coordination_settings> section and have the following parameters:

parameters below contains four_letter_word_white_list,but this parameter must be child of <keeper_server>
if you follow the document place four_letter_word_white_list under coordination_settings,
keeper will report UNKNOWN paramter four_letter_word_white_list