Index: django/db/models/sql/query.py
===================================================================
--- django/db/models/sql/query.py	(revision 7264)
+++ django/db/models/sql/query.py	(working copy)
@@ -1255,7 +1255,7 @@
 
     def add_extra(self, select, where, params, tables, order_by):
         """
-        Adds data to the various extra_* attributes for user-created additiosn
+        Adds data to the various extra_* attributes for user-created additions
         to the query.
         """
         if select: