minor docs fix per mdboom

Author: keflavich

docs/api.rst

@@ -118,10 +118,25 @@ Directory Structure::
 
 .. code-block:: python
 
-    from astropy.config import ConfigurationItem
+    from astropy import config as _config
 
     SERVER = ConfigurationItem('Service_server', ['url1','url2'])
 
+    class Conf(_config.ConfigNamespace):
+        """
+        Configuration parameters for `astroquery.template_module`.
+        """
+        server = _config.ConfigItem(
+            ['http://dummy_server_mirror_1',
+             'http://dummy_server_mirror_2',
+             'http://dummy_server_mirror_n'],
+            'Name of the template_module server to use.'
+            )
+        timeout = _config.ConfigItem(
+            30,
+            'Time limit for connecting to template_module server.'
+            )
+
     from .core import QueryClass
 
     __all__ = ['QueryClass']