Removed spaces before commas and periods.
diff --git a/Doc/library/itertools.rst b/Doc/library/itertools.rst
index 60b04b0..ea279b0 100644
--- a/Doc/library/itertools.rst
+++ b/Doc/library/itertools.rst
@@ -57,7 +57,7 @@
 :func:`islice`          seq, [start,] stop [, step]     elements from seq[start:stop:step]                  ``islice('ABCDEFG', 2, None) --> C D E F G``
 :func:`imap`            func, p, q, ...                 func(p0, q0), func(p1, q1), ...                     ``imap(pow, (2,3,10), (5,2,3)) --> 32 9 1000``
 :func:`starmap`         func, seq                       func(\*seq[0]), func(\*seq[1]), ...                 ``starmap(pow, [(2,5), (3,2), (10,3)]) --> 32 9 1000``
-:func:`tee`             it, n                           it1, it2 , ... itn  splits one iterator into n
+:func:`tee`             it, n                           it1, it2, ... itn  splits one iterator into n
 :func:`takewhile`       pred, seq                       seq[0], seq[1], until pred fails                    ``takewhile(lambda x: x<5, [1,4,6,4,1]) --> 1 4``
 :func:`izip`            p, q, ...                       (p[0], q[0]), (p[1], q[1]), ...                     ``izip('ABCD', 'xy') --> Ax By``
 :func:`izip_longest`    p, q, ...                       (p[0], q[0]), (p[1], q[1]), ...                     ``izip_longest('ABCD', 'xy', fillvalue='-') --> Ax By C- D-``