Fix-up doc for itertools.repeat(). A -1 translates to zero repetitions, not infinite repetitions. This matches the behavior of ['x']*n.
diff --git a/Doc/library/itertools.rst b/Doc/library/itertools.rst
index e6a9fe2..7baa5e1 100644
--- a/Doc/library/itertools.rst
+++ b/Doc/library/itertools.rst
@@ -459,7 +459,7 @@
yield tuple(prod)
-.. function:: repeat(object, times=-1)
+.. function:: repeat(object[, times])
Make an iterator that returns *object* over and over again. Runs indefinitely
unless the *times* argument is specified. Used as argument to :func:`map` for