Update docstring

marcharper · marcharper · commit 441cc4863b3e · 2017-07-29T10:32:12.000-07:00
diff --git a/axelrod/strategies/zero_determinant.py b/axelrod/strategies/zero_determinant.py
@@ -150,8 +150,8 @@ def receive_match_attributes(self):
 
 class ZDExtort3(LRPlayer):
     """
-    An extortionate strategy from Press and Dyson's paper an extortion factor
-    of 3.
+    An extortionate strategy from Press and Dyson's paper witn an extortion
+    factor of 3.
 
     Names:
 
