Clean-up documentation to use NumPy style docs on remaining classes.

discord/utils.py

@@ -58,15 +58,20 @@ def find(predicate, seq):
         member = find(lambda m: m.name == 'Mighty', channel.server.members)
 
     would find the first :class:`Member` whose name is 'Mighty' and return it.
+    If an entry is not found, then ``None`` is returned.
 
     This is different from `filter`_ due to the fact it stops the moment it finds
     a valid entry.
 
+
     .. _filter: https://docs.python.org/3.6/library/functions.html#filter
 
-    :param predicate: A function that returns a boolean-like result.
-    :param seq: The sequence to iterate through.
-    :return: The first result of the predicate that returned a ``True``-like value or ``None`` if nothing was found.
+    Parameters
+    -----------
+    predicate
+        A function that returns a boolean-like result.
+    seq : iterable
+        The iterable to search through.
     """
 
     for element in seq: