diff -r ab94ed2a8012 Lib/difflib.py
--- a/Lib/difflib.py	Wed May 23 11:22:44 2012 +0200
+++ b/Lib/difflib.py	Wed May 23 17:02:25 2012 +0100
@@ -155,7 +155,7 @@
         """Construct a SequenceMatcher.
 
         Optional arg isjunk is None (the default), or a one-argument
-        function that takes a sequence element and returns true iff the
+        function that takes a sequence element and returns true if the
         element is junk.  None is equivalent to passing "lambda x: 0", i.e.
         no elements are considered to be junk.  For example, pass
             lambda x: x in " \\t"