diff --git a/internal/featuredetection/feature_detection.go b/internal/featuredetection/feature_detection.go
index 5ff08a573..a2f34a60b 100644
--- a/internal/featuredetection/feature_detection.go
+++ b/internal/featuredetection/feature_detection.go
@@ -73,7 +73,7 @@ func (d *detector) IssueFeatures() (IssueFeatures, error) {
 
 	features := IssueFeatures{
 		StateReason:       false,
-		ActorIsAssignable: false,
+		ActorIsAssignable: false, // replaceActorsForAssignable GraphQL mutation unavailable on GHES
 	}
 
 	var featureDetection struct {