diff --git a/doc/nitpick-exceptions.txt b/doc/nitpick-exceptions.txt
index 2a43b5754c0fda2eb0fe8012b72c7b1fff95e254..1c18d84c1c81f9916618a9dd58463c03b6728a32 100644
--- a/doc/nitpick-exceptions.txt
+++ b/doc/nitpick-exceptions.txt
@@ -12,3 +12,8 @@ py:class defaultdict
 py:class WorkerState
 py:class deque
 py:class sklearn.BaseEstimator
+
+# sklearn >= 1.3: issue with docs of metadata routing
+py:class True
+py:class False
+py:class default=sklearn.utils.metadata_routing.UNCHANGED