Added OrderingFilter

1 files changed, 1 insertions, 1 deletions

diff --git a/docs/api-guide/filtering.md b/docs/api-guide/filtering.md
index 7e99832e..a710ad7d 100644
--- a/docs/api-guide/filtering.md
+++ b/docs/api-guide/filtering.md
@@ -216,7 +216,7 @@ For more details, see the [Django documentation][search-django-admin].
 
 ## OrderingFilter
 
-The `OrderingFilter` class supports simple query parameter controlled ordering of results.  For example:
+The `OrderingFilter` class supports simple query parameter controlled ordering of results.  To specify the result order, set a query parameter named `'order'` to the required field name.  For example:
 
     http://example.com/api/users?ordering=username