diff --git a/README.md b/README.md
index 6a9b899..13d2024 100644
--- a/README.md
+++ b/README.md
@@ -592,7 +592,7 @@ Declare that you want to update the index in real time:
                         persistence:
                             driver: orm
                             model: Application\UserBundle\Entity\User
-                            listener: # by default, listens to "insert", "update" and "delete"
+                            listener: ~ # by default, listens to "insert", "update" and "delete"
 
 Now the index is automatically updated each time the state of the bound Doctrine repository changes.
 No need to repopulate the whole "user" index when a new `User` is created.