Make docs happy

Author: makermelissa

adafruit_datetime.py

@@ -660,7 +660,10 @@ def fromordinal(cls, ordinal):
 
     @classmethod
     def fromisoformat(cls, date_string):
-        """Return a date object constructed from an ISO date format."""
+        """Return a date object constructed from an ISO date format.
+        Valid format is YYYY-MM-DD
+
+        """
         match = _re.match(
             r"([0-9][0-9][0-9][0-9])-([0-9][0-9])-([0-9][0-9])", date_string
         )
@@ -1220,8 +1223,9 @@ def fromtimestamp(cls, timestamp, tz=None):
 
     @classmethod
     def fromisoformat(cls, date_string, tz=None):
-        """Return a date object constructed from an ISO date format.
-        YYYY-MM-DD[*HH[:MM[:SS[.fff[fff]]]][+HH:MM[:SS[.ffffff]]]]
+        """Return a datetime object constructed from an ISO date format.
+        Valid format is YYYY-MM-DD[*HH[:MM[:SS[.fff[fff]]]][+HH:MM[:SS[.ffffff]]]]
+
         """
         match = _re.match(
             (