diff --git a/best_practices/creating-the-project.rst b/best_practices/creating-the-project.rst
index a180eef9fd2..bdf67108ce3 100644
--- a/best_practices/creating-the-project.rst
+++ b/best_practices/creating-the-project.rst
@@ -110,6 +110,13 @@ Symfony documentation uses the AppBundle name.
     There is no need to prefix the AppBundle with your own vendor (e.g.
     AcmeAppBundle), because this application bundle is never going to be
     shared.
+    
+.. note::
+    
+    Another reason to create a new bundle is when you're overriding something 
+    in a vendor's bundle. For instance, if you have to override an action of 
+    the FOSUserBundle, then you should create a UserBundle that would be used 
+    only for this purpose. 
 
 All in all, this is the typical directory structure of a Symfony application
 that follows these best practices: