diff --git a/internal/terraform/transform_excludes.go b/internal/terraform/transform_excludes.go
index 838b095d29..ff57baaf35 100644
--- a/internal/terraform/transform_excludes.go
+++ b/internal/terraform/transform_excludes.go
@@ -10,9 +10,9 @@ import (
 	"github.com/hashicorp/terraform/internal/dag"
 )
 
-// ExcludesTransformer is a GraphTransformer that:
-//   - when the user specifies a list of resources to exclude,
-//     limits the graph to everything except those resources and their dependencies.
+// ExcludesTransformer is a GraphTransformer that, when the user specifies a
+// list of resources to exclude, limits the graph to everything except those
+// resources and anything dependent on those resources.
 type ExcludesTransformer struct {
 	// List of excluded resource names specified by the user.
 	Excludes []addrs.Targetable
diff --git a/internal/terraform/transform_targets.go b/internal/terraform/transform_targets.go
index 757faf81c8..26886c5d98 100644
--- a/internal/terraform/transform_targets.go
+++ b/internal/terraform/transform_targets.go
@@ -16,8 +16,8 @@ import (
 // provided will contain every target provided, and each implementing graph
 // node must filter this list to targets considered relevant.
 type GraphNodeTargetable interface {
-	SetTargets([]addrs.Targetable)
-	SetExcludes([]addrs.Targetable)
+	SetTargets([]addrs.Targetable)  // TargetsTransformer
+	SetExcludes([]addrs.Targetable) // ExcludesTransformer
 }
 
 // TargetsTransformer is a GraphTransformer that, when the user specifies a