diff --git a/docs/releasenotes/7.2.0.rst b/docs/releasenotes/7.2.0.rst
index 26a1464a4c0..cc562d62c0c 100644
--- a/docs/releasenotes/7.2.0.rst
+++ b/docs/releasenotes/7.2.0.rst
@@ -37,6 +37,14 @@ are now read as just a single bytestring.
 Deprecations
 ^^^^^^^^^^^^
 
+Image.show command parameter
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. deprecated:: 7.2.0
+
+The ``command`` parameter was deprecated and will be removed in a future release.
+Use a subclass of :py:class:`PIL.ImageShow.Viewer` instead.
+
 ImageFile.raise_ioerror
 ~~~~~~~~~~~~~~~~~~~~~~~