diff --git a/Doc/library/itertools.rst b/Doc/library/itertools.rst
index 7099fa0..382aeb1 100644
--- a/Doc/library/itertools.rst
+++ b/Doc/library/itertools.rst
@@ -401,8 +401,7 @@ loops that truncate the stream.
                   self.currkey = self.keyfunc(self.currvalue)
 
 
-.. function:: islice(iterable, stop)
-              islice(iterable, start, stop[, step])
+.. function:: islice(iterable[, start], stop[, step])
 
    Make an iterator that returns selected elements from the iterable. If *start* is
    non-zero, then elements from the iterable are skipped until start is reached.