diff --git a/Doc/library/itertools.rst b/Doc/library/itertools.rst
index 36aaa7bbbb0..c144b3e880f 100644
--- a/Doc/library/itertools.rst
+++ b/Doc/library/itertools.rst
@@ -734,7 +734,7 @@ which incur interpreter overhead.
 
    def grouper(n, iterable, fillvalue=None):
        "Collect data into fixed-length chunks or blocks"
-       # grouper(3, 'ABCDEFG', 'x') --> ABC DEF Gxx"
+       # grouper(3, 'ABCDEFG', 'x') --> ABC DEF Gxx
        args = [iter(iterable)] * n
        return izip_longest(fillvalue=fillvalue, *args)