update comments

policy/unaggregated/aggregation_type.go

@@ -177,7 +177,7 @@ func (aggTypes AggregationTypes) String() string {
 	return strings.Join(parts, aggregationTypesSeparator)
 }
 
-// IsValidForGauge if a list of AggregationTypes is valid for Gauge.
+// IsValidForGauge checks if the list of aggregation types is valid for Gauge.
 func (aggTypes AggregationTypes) IsValidForGauge() bool {
 	for _, aggType := range aggTypes {
 		if !aggType.IsValidForGauge() {
@@ -187,7 +187,7 @@ func (aggTypes AggregationTypes) IsValidForGauge() bool {
 	return true
 }
 
-// IsValidForCounter if an AggregationType is valid for Counter.
+// IsValidForCounter checks if the list of aggregation types is valid for Counter.
 func (aggTypes AggregationTypes) IsValidForCounter() bool {
 	for _, aggType := range aggTypes {
 		if !aggType.IsValidForCounter() {
@@ -197,7 +197,7 @@ func (aggTypes AggregationTypes) IsValidForCounter() bool {
 	return true
 }
 
-// IsValidForTimer if an AggregationType is valid for Timer.
+// IsValidForTimer checks if the list of aggregation types is valid for Timer.
 func (aggTypes AggregationTypes) IsValidForTimer() bool {
 	for _, aggType := range aggTypes {
 		if !aggType.IsValidForTimer() {