match comment style with other comments

pkg/apis/pipeline/v1beta1/task_types.go

@@ -125,7 +125,8 @@ type Step struct {
 	Script string `json:"script,omitempty"`
 }
 
-// Sidecar has nearly the same data structure as Step, consisting of a Container and an optional Script, but does not have the ability to timeout.
+// Sidecar embeds the Container type, which allows it to include fields not
+// provided by Container.
 type Sidecar struct {
 	corev1.Container `json:",inline"`
 

pkg/pod/script.go

@@ -62,8 +62,8 @@ func convertScripts(shellImage string, steps []v1beta1.Step, sidecars []v1beta1.
 	}
 
 	convertedStepContainers := convertListOfSteps(steps, &placeScriptsInit, &placeScripts, "script")
-	// As the Sidecar type will divert slightly from the Step type in https://github.com/tektoncd/pipeline/issues/1690 and https://github.com/tektoncd/pipeline/pull/3013,
-	// while convertListOfSteps operates on overlapping fields, Sidecar is converted into Step by copying the overlapping fields between the types to avoid code duplication
+	// convertListOfSteps operates on overlapping fields across Step and Sidecar, hence a conversion
+	// from Sidecar into Step
 	sideCarSteps := []v1beta1.Step{}
 	for _, step := range sidecars {
 		sidecarStep := v1beta1.Step{