typo

Author: willmcgugan

fs/appfs.py

@@ -124,7 +124,7 @@ class SiteDataFS(_AppFS):
  A filesystem for application site data.
 
  May also be opened with
- ``open_fs('sitedate://appname:author:version')``.
+ ``open_fs('sitedata://appname:author:version')``.
 
  :param str appname: The name of the application.
  :param str author: The name of the author (used on Windows).