docs: comments update

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

Author: JoLo90

pvlib/location.py

@@ -46,7 +46,7 @@ class Location:
         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
+        sign-change convention.) Time zones from the ``zoneinfo`` packages may also
         be passed.
 
         The `tz` attribute is represented as a valid IANA time zone name