Update pvlib/pvarray.py

Co-authored-by: Echedey Luis <80125792+echedey-ls@users.noreply.github.com>

Author: cwhanse

pvlib/pvarray.py

@@ -304,10 +304,10 @@ def huld(effective_irradiance, temp_mod, pdc0, k=None, cell_type=None,
     cell_type : str, optional
         If provided, must be one of ``'cSi'``, ``'CIS'``, or ``'CdTe'``.
         Used to look up default values for ``k`` if ``k`` is not specified.
-    k_version : str, optional
-        Either `'2011'` (default) or `'2025'`. Used to select default values
-        for ``k`` if ``k`` is not specified. If `'2011'`, values from [1]_
-        are used; if `'2025'` values are from [2]_.
+    k_version : str, default ``"2011"``
+        Either ``'2011'`` (default) or ``'2025'``. Used to select default values
+        for ``k`` if ``k`` is not specified. If ``'2011'``, values from [1]_
+        are used; if ``'2025'`` values are from [2]_.
 
     Returns
     -------