diff --git a/KeyBindings/DefaultKeyBindings.dict b/KeyBindings/DefaultKeyBindings.dict
index 2f68f1ed7..fb3fe7445 100644
--- a/KeyBindings/DefaultKeyBindings.dict
+++ b/KeyBindings/DefaultKeyBindings.dict
@@ -25,8 +25,8 @@
     "moveWordBackwardAndModifySelection:"); */
 /*  "Alternate-Shift-DownArrow" = ("moveDownAndModifySelection:",
     "moveWordForwardAndModifySelection:"); */
-/*  "Alternate-Shift-LeftArrow" = "moveWordBackwardAndModifySelection:"; */
-/*  "Alternate-Shift-RightArrow" = "moveWordForwardAndModifySelection:"; */
+  "Alternate-Shift-LeftArrow" = "moveWordBackwardAndModifySelection:";
+  "Alternate-Shift-RightArrow" = "moveWordForwardAndModifySelection:";
 
 /*  "Control-Alternate-UpArrow" = ("pageUp:", "moveWordBackward:"); */
 /*  "Control-Alternate-DownArrow" = ("pageDown:", "moveWordForward:"); */