diff --git a/README.rst b/README.rst
index 80e0e75..bb3bb00 100644
--- a/README.rst
+++ b/README.rst
@@ -88,6 +88,7 @@ class:
 
     from django.db import models
     from imagekit.models import ProcessedImageField
+    from imagekit.processors import ResizeToFill
 
     class Profile(models.Model):
         avatar_thumbnail = ProcessedImageField(upload_to='avatars',