Add error to doctests.

Author: drvinceknight

docs/tutorials/getting_started/match.rst

@@ -14,7 +14,7 @@ For example, to create a 5 turn match between :code:`Cooperator` and
     >>> players = (axl.Cooperator(), axl.Alternator())
     >>> match = axl.Match(players, 5)
     >>> match.play()
-    [(C, C), (C, D), (C, C), (C, D), (C, C)]
+    [(C, D), (C, D), (C, C), (C, D), (C, C)]
 
 By default, a match will not be noisy, but you can introduce noise if you wish.
 Noise is the probability with which any action dictated by a strategy will be