diff --git a/README b/README
index e46e486..bee4bfe 100644
--- a/README
+++ b/README
@@ -91,6 +91,7 @@ Keys:
     -- w : Accelerate.
     -- a : Left.
     -- d : Right.
+		-- s : Turn 180 degree, so you can stop easily.
     
   Combat:
     -- Space      : Primary weapons.