Fixed #9010 -- Fixed typo in custom-file-storage.txt. Thanks, rduffield

git-svn-id: http://code.djangoproject.com/svn/django/trunk@9003 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/howto/custom-file-storage.txt

@@ -45,7 +45,7 @@ Your custom storage system may override any of the storage methods explained in
     * :meth:`Storage.size`
     * :meth:`Storage.url`
 
-You'all also usually want to use hooks specifically designed for custom storage
+You'll also usually want to use hooks specifically designed for custom storage
 objects. These are:
 
 ``_open(name, mode='rb')``