diff --git a/cube-scrambler.el b/cube-scrambler.el
index fe37deb..225a467 100644
--- a/cube-scrambler.el
+++ b/cube-scrambler.el
@@ -35,7 +35,7 @@ MOVES represents the number of moves in the list."
 (defun cube-build-scramble (moves)
   "Generate a list of random moves for a 3x3 Rubik's cube
 
-MOVES os the number of moves to generate.  The algorithm will not
+MOVES is the number of moves to generate.  The algorithm will not
 generate a sequence that moves the same face twice in a row."
   (let (result last-face)
     (while (> moves 0)