diff --git a/README.md b/README.md
index 925a41f2..2a6b1082 100644
--- a/README.md
+++ b/README.md
@@ -280,7 +280,7 @@ 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
 ```
@@ -307,7 +307,7 @@ class PostSerializer < ActiveModel::Serializer
   has_many :comments
 
   def include_comments?
-    !post.comments_disabled?
+    !object.comments_disabled?
   end
 end
 ```