Tighten example code.

diff --git a/Doc/library/itertools.rst b/Doc/library/itertools.rst
index f26d3bbeb253c06c49e4bf3ce7f8969426136d31..dafa6d8516922437a3176069114761f226671e67 100644 (file)
--- a/Doc/library/itertools.rst
+++ b/Doc/library/itertools.rst
@@ -381,7 +381,7 @@ loops that truncate the stream.
                 for i in reversed(range(r)):
                     cycles[i] -= 1
                     if cycles[i] == 0:
-                        indices[:] = indices[:i] + indices[i+1:] + indices[i:i+1]
+                        indices[i:] = indices[i+1:] + indices[i:i+1]
                         cycles[i] = n - i
                     else:
                         j = cycles[i]