diff --git a/Package/Environment/Common/controls.conf b/Package/Environment/Common/controls.conf
index 21569ea..954b2d6 100644
--- a/Package/Environment/Common/controls.conf
+++ b/Package/Environment/Common/controls.conf
@@ -4,6 +4,8 @@ left = Left
 right = Right
 pageUp = A
 pageDown = B
+letterUp = N
+letterDown = M
 select = Space
 back = Escape
 quit = Q