diff --git a/Lo-Res-Tetris-for-the-Apple-II.md b/Lo-Res-Tetris-for-the-Apple-II.md
index 38b34b8..d58e1d9 100644
--- a/Lo-Res-Tetris-for-the-Apple-II.md
+++ b/Lo-Res-Tetris-for-the-Apple-II.md
@@ -1,5 +1,11 @@
 This is the biggest 'real' program I have written in EightBall so far.  I did this in order to show where EightBall needs improvement.  It runs quite nicely, but it is only *just* fast enough when running under the unoptimized reference VM.
 
+**Keys**
+- A: Left
+- D: Right
+- S: Rotate
+- There is no 'drop', you have to wait
+
 Also contains some useful code for using Apple ][ lo-res mode and a crappy PRNG.  Do not rely on this for your crypto!
 
 ```