docs: Fix a few typos

README.rst

@@ -25,9 +25,9 @@ Tests
 -----
 
 Valid Parser, Reader, username, and password must be set as environment
-variables before running the tests. This test suit runs agains the live
+variables before running the tests. This test suit runs against the live
 Readability API and also serves as integration tests. We recommend creating a
-seperate testing user account on Readability to avoid disturbing your reading
+separate testing user account on Readability to avoid disturbing your reading
 list. **Note:** These tests do reset the bookmarks library of the provided user
 when complete. They should *not* be run on your primary user account!
 

docs/auth.rst

@@ -5,7 +5,7 @@ Authentication
 
     <a href="https://dev.twitter.com/oauth/3-legged" target="_blank">three-legged oAuth flow</a>
 
-Authentication can be accomplised through either a |three-legged-twitter| or
+Authentication can be accomplished through either a |three-legged-twitter| or
 via xAuth where a username and password are exchanged directly for a user token
 and secret.
 

readability/clients.py

@@ -4,7 +4,7 @@
 readability.clients
 ~~~~~~~~~~~~~~~~~~~
 
-This module provies a client for the Reader API.
+This module provides a client for the Reader API.
 
 """
 

readability/utils.py

@@ -96,7 +96,7 @@ def filter_args_to_dict(filter_dict, accepted_filter_keys=[]):
             # Going to skip it.
             continue
 
-        # map of casting funcitons to filter types
+        # map of casting functions to filter types
         filter_cast_map = {
             'int': cast_integer_filter,
             'datetime': cast_datetime_filter