diff --git a/src/yggdrasil/config/config.go b/src/yggdrasil/config/config.go
index 855eb92..904907b 100644
--- a/src/yggdrasil/config/config.go
+++ b/src/yggdrasil/config/config.go
@@ -49,5 +49,5 @@ type TunnelRouting struct {
 
 // SwitchOptions contains tuning options for the switch
 type SwitchOptions struct {
-	MaxTotalQueueSize uint64 `comment:"Maximum size of all switch queues combined."`
+	MaxTotalQueueSize uint64 `comment:"Maximum size of all switch queues combined (in bytes)."`
 }