Fix docs

Author: Anton3

src/_pytest/mark/__init__.py

@@ -79,9 +79,10 @@ def test_eval(test_input, expected):
     :param id:
         The id to attribute to this parameter set.
 
-        :ref:`hidden-param` means to hide the parameter set
-        from the test name. Can only be used at most 1 time, as
-        test names need to be unique.
+        .. versionadded:: 8.4
+            :ref:`hidden-param` means to hide the parameter set
+            from the test name. Can only be used at most 1 time, as
+            test names need to be unique.
     """
     return ParameterSet.param(*values, marks=marks, id=id)
 

src/_pytest/python.py

@@ -1210,9 +1210,10 @@ def parametrize(
             They are mapped to the corresponding index in ``argvalues``.
             ``None`` means to use the auto-generated id.
 
-            :ref:`hidden-param` means to hide the parameter set
-            from the test name. Can only be used at most 1 time, as
-            test names need to be unique.
+            .. versionadded:: 8.4
+                :ref:`hidden-param` means to hide the parameter set
+                from the test name. Can only be used at most 1 time, as
+                test names need to be unique.
 
             If it is a callable it will be called for each entry in
             ``argvalues``, and the return value is used as part of the