diff --git a/docs/model-api.txt b/docs/model-api.txt
index a890d93923..46894d7a81 100644
--- a/docs/model-api.txt
+++ b/docs/model-api.txt
@@ -532,7 +532,9 @@ Field Types
 
     Accepts an extra option, ``prepopulate_from``, which is a list of fields
     from which to auto-populate the slug, via JavaScript, in the object's admin
-    form.
+    form::
+        
+        meta.SlugField("slug", prepopulate_from=("pre_name", "name"),
 
 ``SmallIntegerField``
     Like an ``IntegerField``, but only allows values under a certain