update inconsistent comment (#5046)
update inconsistent comment (#5046)

Co-Authored-By: aixeshunter <2fbe18020f270bc6d61dd2a9051ff19955117889@users.noreply.github.com>
Signed-off-by: aixeshunter <667b3b57acfb7a66b11406ca72ffae01e168a8c2@gmail.com>

alileza/prometheus,keegancsmith/prometheus,prometheus/prometheus,alileza/prometheus,GoogleCloudPlatform/prometheus,kangwoo/prometheus,keegancsmith/prometheus,Gouthamve/prometheus,keegancsmith/prometheus,alileza/prometheus,prometheus/prometheus,alileza/prometheus,Gouthamve/prometheus,prometheus/prometheus,keegancsmith/prometheus,kangwoo/prometheus,GoogleCloudPlatform/prometheus,kangwoo/prometheus,prometheus/prometheus,Gouthamve/prometheus,alileza/prometheus,GoogleCloudPlatform/prometheus,GoogleCloudPlatform/prometheus,Gouthamve/prometheus,GoogleCloudPlatform/prometheus,prometheus/prometheus,kangwoo/prometheus,keegancsmith/prometheus