docs: comments update

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

Author: JoLo90

pvlib/location.py

@@ -43,7 +43,7 @@ class Location:
 
     tz : time zone as str, int, float, or datetime.tzinfo, default 'UTC'.
         See http://en.wikipedia.org/wiki/List_of_tz_database_time_zones for a
-        list of valid name strings. An `int` or `float` must be a whole-number
+        list of valid name strings. An ``int`` or ``float`` must be a whole-number
         hour offsets from UTC that can be converted to the IANA-supported
         'Etc/GMT-N' format. (Note the limited range of the offset N and its
         sign-change convention.) Time zones from the ``zoneinfo`` packages may also