diff --git a/docs/deprecations.rst b/docs/deprecations.rst
index 71c6dec7f..262ba79e0 100644
--- a/docs/deprecations.rst
+++ b/docs/deprecations.rst
@@ -82,6 +82,16 @@ along with the related ``Image.NORMAL``, ``Image.SEQUENCE`` and
 To determine if an image has multiple frames or not,
 ``getattr(im, "is_animated", False)`` can be used instead.
 
+JpegImagePlugin.convert_dict_qtables
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. deprecated:: 8.3.0
+
+JPEG ``quantization`` is now automatically converted, but still returned as a
+dictionary. The :py:attr:`~PIL.JpegImagePlugin.convert_dict_qtables` method no longer
+performs any operations on the data given to it, has been deprecated and will be
+removed in Pillow 10.0.0 (2023-01-02).
+
 Removed features
 ----------------
 
diff --git a/docs/releasenotes/8.3.0.rst b/docs/releasenotes/8.3.0.rst
index fed8c1eca..0929d75b2 100644
--- a/docs/releasenotes/8.3.0.rst
+++ b/docs/releasenotes/8.3.0.rst
@@ -4,10 +4,13 @@
 Deprecations
 ============
 
-TODO
-^^^^
+JpegImagePlugin.convert_dict_qtables
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-TODO
+JPEG ``quantization`` is now automatically converted, but still returned as a
+dictionary. The :py:attr:`~PIL.JpegImagePlugin.convert_dict_qtables` method no longer
+performs any operations on the data given to it, has been deprecated and will be
+removed in Pillow 10.0.0 (2023-01-02).
 
 API Changes
 ===========