diff --git a/docs/api-guide/fields.md b/docs/api-guide/fields.md
index 65c83b78e..b2bdd50c8 100644
--- a/docs/api-guide/fields.md
+++ b/docs/api-guide/fields.md
@@ -603,7 +603,7 @@ The `to_internal_value()` method is called to restore a primitive datatype into
 
 Let's look at an example of serializing a class that represents an RGB color value:
 
-    class Color(object):
+    class Color:
         """
         A color represented in the RGB colorspace.
         """