Fixed some comments.
Fixed some comments.

Signed-off-by: Bartek Plotka <40733124e8bedaac646d3fd1c538b5cb2b6856fe@gmail.com>

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