diff --git a/menus.go b/menus.go
index d2083d8..c5cf5be 100644
--- a/menus.go
+++ b/menus.go
@@ -7,6 +7,7 @@ import (
 
 var helpDialog = []string{
 	"[h] - open this help dialog",
+	"[s] - select container sort field",
 	"[q] - exit ctop",
 }