#9944: fix typo.

Doc/library/itertools.rst

@@ -592,7 +592,7 @@ which incur interpreter overhead.
            # feed the entire iterator into a zero-length deque
            collections.deque(iterator, maxlen=0)
        else:
-           # advance to the emtpy slice starting at position n
+           # advance to the empty slice starting at position n
            next(islice(iterator, n, n), None)
 
    def nth(iterable, n, default=None):