chore: fix some typos (#3316)

Signed-off-by: Nabil <nabilcharaf37@gmail.com>

collector/cpu_vulnerabilities_linux.go

@@ -22,12 +22,12 @@ import (
 )
 
 const (
-	cpuVulerabilitiesCollector = "cpu_vulnerabilities"
+	cpuVulnerabilitiesCollectorSubsystem = "cpu_vulnerabilities"
 )
 
 var (
 	vulnerabilityDesc = prometheus.NewDesc(
-		prometheus.BuildFQName(namespace, cpuVulerabilitiesCollector, "info"),
+		prometheus.BuildFQName(namespace, cpuVulnerabilitiesCollectorSubsystem, "info"),
 		"Details of each CPU vulnerability reported by sysfs. The value of the series is an int encoded state of the vulnerability. The same state is stored as a string in the label",
 		[]string{"codename", "state", "mitigation"},
 		nil,
@@ -37,7 +37,7 @@ var (
 type cpuVulnerabilitiesCollector struct{}
 
 func init() {
-	registerCollector(cpuVulerabilitiesCollector, defaultDisabled, NewVulnerabilitySysfsCollector)
+	registerCollector(cpuVulnerabilitiesCollectorSubsystem, defaultDisabled, NewVulnerabilitySysfsCollector)
 }
 
 func NewVulnerabilitySysfsCollector(logger *slog.Logger) (Collector, error) {

collector/processes_linux.go

@@ -106,7 +106,7 @@ func (c *processCollector) Update(ch chan<- prometheus.Metric) error {
 
 	pidM, err := readUintFromFile(procFilePath("sys/kernel/pid_max"))
 	if err != nil {
-		return fmt.Errorf("unable to retrieve limit number of maximum pids alloved: %w", err)
+		return fmt.Errorf("unable to retrieve limit number of maximum pids allowed: %w", err)
 	}
 	ch <- prometheus.MustNewConstMetric(c.pidUsed, prometheus.GaugeValue, float64(pids))
 	ch <- prometheus.MustNewConstMetric(c.pidMax, prometheus.GaugeValue, float64(pidM))

collector/processes_linux_test.go

@@ -48,7 +48,7 @@ func TestReadProcessStatus(t *testing.T) {
 	}
 	maxPid, err := readUintFromFile(procFilePath("sys/kernel/pid_max"))
 	if err != nil {
-		t.Fatalf("Unable to retrieve limit number of maximum pids alloved %v\n", err)
+		t.Fatalf("Unable to retrieve limit number of maximum pids allowed %v\n", err)
 	}
 	if uint64(pids) > maxPid || pids == 0 {
 		t.Fatalf("Total running pids cannot be greater than %d or equals to 0", maxPid)