diff --git a/rdioapi/__init__.py b/rdioapi/__init__.py
index 4e11d96..4306551 100644
--- a/rdioapi/__init__.py
+++ b/rdioapi/__init__.py
@@ -66,7 +66,7 @@ def __str__(self):
 
 
 class AuthStore(object):
-  """A wrapper around the persistant storage that must be passed in."""
+  """A wrapper around the persistent storage that must be passed in."""
 
   _KEYS = ['device_code', 'device_expires', 'device_interval', 'refresh_token', 'access_token', 'access_token_expires']