remove first bullet, add colon, on SoDa line

Author: RDaxini

docs/sphinx/source/user_guide/glossary.rst

@@ -186,7 +186,7 @@ There is a convention on consistent variable names throughout the library:
 For a definition and further explanation on the variables, common symbols and
 units refer to the following sources:
 
-* Explanation of Solar irradiation and solar geometry by `SoDa Service <http://www.soda-pro.com/home>`_
+Explanation of Solar irradiation and solar geometry by `SoDa Service <http://www.soda-pro.com/home>`_:
 
    * `Acronyms, Terminology and Units <https://www.soda-pro.com/help/general/acronyms-terminology-and-units>`_
    * `Plane orientations and radiation components <https://www.soda-pro.com/help/general/plane-orientations-and-radiation-components>`_