diff --git a/en/extend_your_application/README.md b/en/extend_your_application/README.md
index 09d9146376d..9cb218a63a7 100644
--- a/en/extend_your_application/README.md
+++ b/en/extend_your_application/README.md
@@ -81,7 +81,8 @@ Do you remember what the next step is? It's adding a view!
 
 ## Add a post's detail view
 
-This time our *view* is given an extra parameter, `pk`. Our *view* needs to catch it, right? So we will define our function as `def post_detail(request, pk):`. Note that we need to use exactly the same name as the one we specified in `urls` (`pk`). Omitting this variable is incorrect and will result in an error!
+This time our *view* is given an extra parameter, `pk`. Our *view* needs to catch it, right? So we will define our function as `def post_detail(request, pk):`. Note that this parameter must have the exact same name as the one we specified in `urls` (`pk`). Also note that omitting this variable is incorrect and will result in an error!
+
 
 Now, we want to get one and only one blog post. To do this, we can use querysets, like this: