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-rw-r--r--Doc/library/collections.rst2
1 files changed, 1 insertions, 1 deletions
diff --git a/Doc/library/collections.rst b/Doc/library/collections.rst
index 256bf02..96475b9 100644
--- a/Doc/library/collections.rst
+++ b/Doc/library/collections.rst
@@ -514,7 +514,7 @@ or subtracting from an empty counter.
Rotate the deque *n* steps to the right. If *n* is negative, rotate
to the left.
- When the deque is empty, rotating one step to the right is equivalent
+ When the deque is not empty, rotating one step to the right is equivalent
to ``d.appendleft(d.pop())``, and rotating one step to the left is
equivalent to ``d.append(d.popleft())``.