More docstring tweaks

Author: markcampanelli

pvlib/location.py

@@ -43,12 +43,12 @@ class Location:
         Positive is east of the prime meridian.
         Use decimal degrees notation.
 
-    tz : time zone as str, int, float, or datetime.tzinfo (inc. subclasses
-            from the pytz and zoneinfo packages), default 'UTC'.
+    tz : time zone as str, int, float, or datetime.tzinfo (including
+        subclassesfrom the pytz and zoneinfo packages), default 'UTC'.
         This value is stored as a valid IANA time zone name string. See
         http://en.wikipedia.org/wiki/List_of_tz_database_time_zones for a
         list of valid name strings, any of which may be passed directly here.
-        `int`s and `float`s must be whole-number hour offsets from UTC, which
+        ints and floats must be whole-number hour offsets from UTC, which
         are converted to the IANA-suppored 'Etc/GMT-N' format. (Note the
         limited range of the offset N and its sign-change convention.)
 
@@ -98,6 +98,7 @@ def __repr__(self):
 
     @property
     def tz(self):
+        """The location's IANA time-zone string."""
         return str(self._zoneinfo)
 
     @tz.setter
@@ -127,6 +128,7 @@ def tz(self, tz_):
 
     @property
     def pytz(self):
+        """The location's pytz time zone."""
         return pytz.timezone(str(self._zoneinfo))
 
     @classmethod