diff --git a/docs/reference/Image.rst b/docs/reference/Image.rst
index 2613b6585b3..ed37521fdae 100644
--- a/docs/reference/Image.rst
+++ b/docs/reference/Image.rst
@@ -123,6 +123,7 @@ methods. Unless otherwise stated, all methods return a new instance of the
 
 
 .. automethod:: PIL.Image.Image.alpha_composite
+.. automethod:: PIL.Image.Image.apply_transparency
 .. automethod:: PIL.Image.Image.convert
 
 The following example converts an RGB image (linearly calibrated according to
diff --git a/docs/releasenotes/9.2.0.rst b/docs/releasenotes/9.2.0.rst
index eddbd07a2d7..424fd487a29 100644
--- a/docs/releasenotes/9.2.0.rst
+++ b/docs/releasenotes/9.2.0.rst
@@ -57,10 +57,13 @@ TODO
 API Additions
 =============
 
-TODO
-^^^^
+Image.apply_transparency
+^^^^^^^^^^^^^^^^^^^^^^^^
 
-TODO
+Added :py:meth:`~PIL.Image.Image.apply_transparency`, a method to take a P mode image
+with "transparency" in ``im.info``, and apply the transparency to the palette instead.
+The image's palette mode will become "RGBA", and "transparency" will be removed from
+``im.info``.
 
 Security
 ========