chore: fix typo in comment

Signed-off-by: looklose <shishuaiqun@yeah.net>

collector/systemd_linux.go

@@ -75,7 +75,7 @@ type systemdCollector struct {
 	socketCurrentConnectionsDesc  *prometheus.Desc
 	socketRefusedConnectionsDesc  *prometheus.Desc
 	systemdVersionDesc            *prometheus.Desc
-	// Use regexps for more flexability than device_filter.go allows
+	// Use regexps for more flexibility than device_filter.go allows
 	systemdUnitIncludePattern *regexp.Regexp
 	systemdUnitExcludePattern *regexp.Regexp
 	logger                    log.Logger

docs/node-mixin/config.libsonnet

@@ -73,7 +73,7 @@
     fsSpaceAvailableWarningThreshold: 5,
     fsSpaceAvailableCriticalThreshold: 3,
 
-    // Memory utilzation (%) level on which to trigger the
+    // Memory utilization (%) level on which to trigger the
     // 'NodeMemoryHighUtilization' alert.
     memoryHighUtilizationThreshold: 90,