--- a/examples/towers_of_hanoi/README.txt
+++ b/examples/towers_of_hanoi/README.txt
@@ -14,8 +14,8 @@
 This would mean that 5 discs has 6,563,711,232 solutions, but I haven't run
 this to verify the answer...
 
-    >>> import run
-    >>> run.test(2)    # test takes the number of disks as an argument
+    >>> import driver
+    >>> driver.test(2)    # test takes the number of disks as an argument
     got 1: ((0, 1), (0, 2), (1, 2))
     got 2: ((0, 2), (0, 1), (2, 0), (1, 2), (0, 2))