diff --git a/docs/reference/ImageSequence.rst b/docs/reference/ImageSequence.rst
index 1bfb554b6..f2e7d9edd 100644
--- a/docs/reference/ImageSequence.rst
+++ b/docs/reference/ImageSequence.rst
@@ -25,3 +25,8 @@ The :py:class:`~PIL.ImageSequence.Iterator` class
 
 .. autoclass:: PIL.ImageSequence.Iterator
     :members:
+
+Functions
+---------
+
+.. autofunction:: PIL.ImageSequence.all_frames