Fix typo in comment. networks => network

Signed-off-by: Ryan McCullagh <[email protected]>

Author: rmccullagh

docker/api/network.py

@@ -7,7 +7,7 @@
 class NetworkApiMixin(object):
     def networks(self, names=None, ids=None, filters=None):
         """
-        List networks. Similar to the ``docker networks ls`` command.
+        List networks. Similar to the ``docker network ls`` command.
 
         Args:
             names (:py:class:`list`): List of names to filter by