fixed typo

rodnaph · weaverryan · commit 4be99ed569f5 · 2013-06-30T16:49:31.000-05:00
diff --git a/cookbook/form/data_transformers.rst b/cookbook/form/data_transformers.rst
@@ -183,7 +183,7 @@ Model and View Transformers
     became ``addViewTransformer``.
 
 In the above example, the transformer was used as a "model" transformer.
-In fact, there are two different type of transformers and three different
+In fact, there are two different types of transformers and three different
 types of underlying data.
 
 .. image:: /images/cookbook/form/DataTransformersTypes.png
