util/promlint/promlint.go
func lintHelp(mf dto.MetricFamily) []Problem {
	var problems problems

	// Expect all metrics to have help text available.
	if mf.Help == nil {
		problems.Add(mf, "no help text")
	}

	return problems
}
func lintHelp(mf dto.MetricFamily) []Problem {
	var problems problems

	// Expect all metrics to have help text available.
	if mf.Help == nil {
		problems.Add(mf, "no help text")
	}

	return problems
}
// lintHelp detects issues related to the help text for a metric.