update code example w/ config object for bookmarks

README.rst

@@ -76,7 +76,7 @@ It's safe to rerun s3tail sessions when working with piped commands searching fo
 always read and display from the cache before downloading from S3. This is done in a best-effort
 background thread to avoid impacting performance. The file cache is stored in the user's ``HOME``
 directory, in an ``.s3tailcache`` subdirectory, where the file names are the S3 keys hashed with
-SHA-256. These can be listed by through the use of the ``--cache-lookup`` option:
+SHA-256. These can be listed through the use of the ``--cache-lookup`` option:
 
 .. code-block:: console
 

docs/usage.rst

@@ -82,14 +82,18 @@ Basic Console Example
 Coding Example
 --------------
 
-To use the :class:`.s3tail.S3Tail` class in a project::
+To use the :class:`.s3tail.S3Tail` class in a project:
+
+.. code-block:: python
 
     from s3tail import S3Tail
+    from configparser import ConfigParser
 
     def process_line(num, line):
         print '%d: %s' % (num, line)
 
-    tail = S3Tail('my-logs', 'production-s3-access-2016-08-04', process_line)
+    config = ConfigParser() # stores the bookmarks
+    tail = S3Tail(config, 'my-logs', 'production-s3-access-2016-08-04', process_line)
     tail.watch()
     tail.cleanup()