Fix bulleted list (hopefully 🙏 )

docs/sphinx/source/contributing/style_guide.rst

@@ -80,9 +80,11 @@ When specifying parameters and their units, please follow these guidelines:
 - Use the recommended parameter name and units listed in the :ref:`nomenclature` where applicable.
 - Enclose units in square brackets after the parameter description, e.g., ``Air temperature. [°C]``.
 - Use unicode superscripts symbols for exponents, e.g. ``m⁻²``.
+
   - Numbers: ``⁰``, ``¹``, ``²``, ``³``, ``⁴``, ``⁵``, ``⁶``, ``⁷``, ``⁸``, ``⁹``
   - Negative exponent: ``⁻``
   - Degree symbol: ``°``
+
 - Link to a brief description in the :ref:`nomenclature` section if it exists, via the sphinx role ``:term:`glossary_term```. For example, to document ``dni`` use:
 
   .. code-block:: rst