diff --git a/internal/proxy/director/layer/queue/adapter.go b/internal/proxy/director/layer/queue/adapter.go
index 748694e..d8f215e 100644
--- a/internal/proxy/director/layer/queue/adapter.go
+++ b/internal/proxy/director/layer/queue/adapter.go
@@ -10,7 +10,10 @@ type Status struct {
 }
 
 type Adapter interface {
+	// Touch updates the session TTL and returns its current rank
 	Touch(ctx context.Context, queueName string, sessionId string) (int64, error)
+	// Status returns the queue current status
 	Status(ctx context.Context, queueName string) (*Status, error)
+	// Refresh forces a refresh of the queue, taking into account the given TTL for sessions
 	Refresh(ctx context.Context, queueName string, keepAlive time.Duration) error
 }