diff --git a/tests/test_ext_napoleon_docstring.py b/tests/test_ext_napoleon_docstring.py
index bf3c878a8e0..2f1e559b345 100644
--- a/tests/test_ext_napoleon_docstring.py
+++ b/tests/test_ext_napoleon_docstring.py
@@ -1230,7 +1230,7 @@ class NumpyDocstringTest(BaseDocstringTest):
         """
         Single line summary
 
-        :Parameters: * **arg1** (*str*) -- Extended description of arg1
+        :Parameters: * **arg1** (:class:`str`) -- Extended description of arg1
                      * **\\*args, \\*\\*kwargs** -- Variable length argument list and arbitrary keyword arguments.
         """
     ), (