diff --git a/resource_group.go b/resource_group.go
index b8cff51440..6d25ffb5e8 100644
--- a/resource_group.go
+++ b/resource_group.go
@@ -19,19 +19,19 @@ type ScopeObject struct {
 }
 
 // NewResourceGroupForZone takes an existing zone and provides a resource group
-// to be used within a Policy that allows access to that zone
+// to be used within a Policy that allows access to that zone.
 func NewResourceGroupForZone(zone Zone) ResourceGroup {
 	return NewResourceGroup(fmt.Sprintf("com.cloudflare.api.account.zone.%s", zone.ID))
 }
 
 // NewResourceGroupForAccount takes an existing zone and provides a resource group
-// to be used within a Policy that allows access to that account
+// to be used within a Policy that allows access to that account.
 func NewResourceGroupForAccount(account Account) ResourceGroup {
 	return NewResourceGroup(fmt.Sprintf("com.cloudflare.api.account.%s", account.ID))
 }
 
 // NewResourceGroup takes a Cloudflare-formatted key (e.g. 'com.cloudflare.api.%s') and
-// returns a resource group to be used within a Policy to allow access to that resource
+// returns a resource group to be used within a Policy to allow access to that resource.
 func NewResourceGroup(key string) ResourceGroup {
 	scope := Scope{
 		Key: key,