diff --git a/README.md b/README.md
index 9a9a850a..8c8e902b 100644
--- a/README.md
+++ b/README.md
@@ -290,7 +290,7 @@ class PostSerializer < ActiveModel::Serializer
 
   # only let the user see comments he created.
   def comments
-    post.comments.where(:created_by => scope)
+    object.comments.where(:created_by => scope)
   end
 end
 ```
@@ -317,7 +317,7 @@ class PostSerializer < ActiveModel::Serializer
   has_many :comments
 
   def include_comments?
-    !post.comments_disabled?
+    !object.comments_disabled?
   end
 end
 ```